UnitedHealth (UNH) 10-K 2018 FY Annual report

Exhibit 21.1

Subsidiaries of the Company

Listed below are subsidiaries of UnitedHealth Group Incorporated as of December 31, 2018. Those subsidiaries not listed would not, in the aggregate, constitute a “significant subsidiary” of UnitedHealth Group Incorporated, as that term is defined in Rule 1-02(w) of Regulation S-X.

Name of Entity	State of Jurisdiction or Domicile	Doing Business As
1070715 B.C. Unlimited Liability Company	British Columbia
310 Canyon Medical, LLC	California
5995 Minnetonka, LLC	Delaware
ABCO India Private Limited	India
ABCO International Holdings, LLC	Delaware
ACN Group IPA of New York, Inc.	New York
ACN Group of California, Inc.	California	OptumHealth Physical Health of California
Administradora Clínica La Colina S.A.S.	Colombia
Administradora Country S.A.	Colombia
Administradora deTransacciones Electrónicas	Chile
Administradora Médica Centromed S.A.	Chile
Advanced Pharma, Inc.	Texas	Avella of Houston
Advanced Surgical Hospital, LLC	Pennsylvania
Advocate Condell Ambulatory Surgery Center, LLC	Illinois
Advocate Sherman Ambulatory Surgery Center, LLC	Illinois
Advocate Southwest Ambulatory Surgery Center, LLC	Illinois
Advocate-SCA Partners, LLC	Delaware
AHN Accountable Care Organization, LLC	Indiana
AHN Central Services, LLC	Indiana
AHN Target Holdings, LLC	Delaware
Alaska Surgery Center, Inc.	Alaska
Aliansalud Entidad Promotora de Salud S.A.	Colombia
All Savers Insurance Company	Indiana
All Savers Life Insurance Company of California	California
Alliance Surgical Center, LLC	Florida
Aloha Surgical Center, LLC	Tennessee
Ambient Healthcare, Inc.	Florida
Ambient Holdings, Inc.	Delaware
Ambulatory Surgery Center of Mt. Pleasant, LLC	South Carolina
American Health Network of Indiana Care Organization, LLC	Indiana
American Health Network of Indiana II, LLC	Indiana	Healthcare Network
American Health Network of Indiana, LLC	Indiana	EXPRESS CARE
American Health Network of Ohio Care Organization, LLC	Ohio
American Health Network of Ohio II, LLC	Ohio
American Health Network of Ohio, LLC	Ohio
AmeriChoice Corporation	Delaware
AmeriChoice Health Services, Inc.	Delaware
AmeriChoice of New Jersey, Inc.	New Jersey	UnitedHealthcare Community Plan

Amico Saúde Ltda.	Brazil
Amil Assistência Médica Internacional S.A.	Brazil
Amil Clinical Research Participações Ltda.	Brazil
AMIL International	Luxembourg
Análisis Clínicos ML S.A.C.	Peru
Antelope Valley Surgery Center, L.P.	California
Apothecary Holdings, Inc.	Delaware
Apothecary Shop of Phoenix, Inc.	Arizona
AppleCare Medical Management, LLC	Delaware
APS – Assistência Personalizada à Saúde Ltda.	Brazil
Aquitania Chilean Holding SpA	Chile
Aquitania Holding SpA	Chile
Arise Physician Group	Texas
Arizona Physicians IPA, Inc.	Arizona	UnitedHealthcare Community Plan
ASC Holdings of New Jersey, LLC	New Jersey
ASC Network, LLC	Delaware
ASI Global, LLC	Texas
AssuranceRx, LLC	Alabama
Athens ASC Holdings, LLC	Georgia
Audax Health Solutions, LLC	Delaware
Austin Center for Outpatient Surgery, L.P.	Georgia
Avella of Austin, Inc.	Arizona
Avella of Columbus, Inc.	Arizona
Avella of Deer Valley, Inc.	Arizona	Avella of Deer Valley, Inc. #038 Avella Specialty Pharmacy
Avella of Denver, Inc.	Arizona
Avella of Gilbert, Inc.	Arizona
Avella of Las Vegas II, Inc.	Arizona
Avella of Orlando, Inc.	Arizona
Avella of Phoenix III, Inc.	Arizona
Avella of Sacramento, Inc.	California
Avella of Scottsdale, Inc.	Arizona
Avella of St. Louis, Inc.	Arizona
Avella of Tampa, LLC	Florida
Avella of Tucson II, Inc.	Arizona
Avella of Tucson, Inc.	Arizona
Avella Patient Access Program, Inc.	Arizona
Aveta Inc.	Delaware
AxelaCare Intermediate Holdings, LLC	Delaware
AxelaCare, LLC	Delaware
B.R.A.S.S. Partnership in Commendam	Louisiana
Bakersfield-SC, LLC	Delaware
Banmédica Colombia SpA	Colombia
Banmédica Internacional SpA	Chile
Banmédica S.A.	Chile
Beach Surgical Holdings III, LLC	California
Behavioral Healthcare Options, Inc.	Nevada

Belleville Surgical Center, Ltd., an Illinois Limited Partnership	Illinois
Birmingham Outpatient Surgical Center, LLC	Delaware
Blackstone Valley Surgicare GP, LLC	Delaware
Blue Ridge GP, LLC	North Carolina
Bordeaux (Barbados) Holdings I, SRL	Barbados
Bordeaux (Barbados) Holdings II, SRL	Barbados
Bordeaux (Barbados) Holdings III, SRL	Barbados
Bordeaux Holding SpA	Chile
Bordeaux International Holdings, Inc.	Delaware
Bordeaux UK Holdings I Limited	United Kingdom
Bordeaux UK Holdings II Limited	United Kingdom
Bordeaux UK Holdings III Limited	United Kingdom
Bosque Medical Center Ltda.	Brazil
Brandon Ambulatory Surgery Center, LLC	Florida
BriovaRx Infusion Services 100, Inc.	New York	Advanced Care of New Jersey Inc.
BriovaRx Infusion Services 101, Inc.	New York
BriovaRx Infusion Services 102, LLC	Delaware
BriovaRx Infusion Services 103, LLC	Delaware	AxelaCare Equinox Healthcare
BriovaRx Infusion Services 200, Inc.	South Carolina
BriovaRx Infusion Services 201, Inc.	Florida
BriovaRx Infusion Services 202, Inc.	Florida
BriovaRx Infusion Services 203, Inc.	Florida
BriovaRx Infusion Services 204, Inc.	Florida
BriovaRx Infusion Services 205, Inc.	Florida
BriovaRx Infusion Services 206, Inc.	Alabama
BriovaRx Infusion Services 207, Inc.	Alabama
BriovaRx Infusion Services 208, Inc.	North Carolina	AxelaCare
BriovaRx Infusion Services 209, Inc.	Georgia	AxelaCare
BriovaRx Infusion Services 301, LP	Oklahoma	AxelaCare
BriovaRx Infusion Services 302, LLC	Nebraska	AxelaCare
BriovaRx Infusion Services 305, LLC	Delaware
BriovaRx Infusion Services 308, LLC	Arizona	AxelaCare
BriovaRx Infusion Services 401, LLC	California
BriovaRx Infusion Services 402, LLC	California
BriovaRx Infusion Services 403, LLC	California
BriovaRx Infusion Services 404, LLC	Oregon
BriovaRx Infusion Services, Inc.	Delaware	BriovaRx Infusion Services
BriovaRx of California, Inc.	California	BriovaRx MRP BriovaRx of Los Angeles Mission Road Pharmacy MRP
BriovaRx of Florida, Inc.	Delaware	BriovaRx of Florida
BriovaRx of Georgia, LLC	Alabama
BriovaRx of Indiana, LLC	Indiana	BriovaRx
BriovaRx of Louisiana, L.L.C.	Louisiana
BriovaRx of Maine, Inc.	Maine	BriovaRx

BriovaRx of Massachusetts, LLC	Massachusetts	BriovaRx
BriovaRx of Nevada, LLC	Nevada	BriovaRx BriovaRx of Nevada
BriovaRx of New York, Inc.	New York	BriovaRx of New York
BriovaRx of Texas, Inc.	Texas	BriovaRx of Texas
BriovaRx Specialty, LLC	Delaware	BriovaRx Specialty
BriovaRx, LLC	Alabama	BriovaRx
Cabin Enterprises, LLC	Delaware
Cabin Holdings, LLC	Delaware
California MedTrans Network IPA LLC	California
California MedTrans Network MSO LLC	California
Camp Hill-SCA Centers, LLC	Delaware
Capital City Medical Group, L.L.C.	Louisiana	Peoples Health Clinical
Cardio Management, Inc.	Delaware
Care Improvement Plus Group Management, LLC	Maryland
Care Improvement Plus of Texas Insurance Company	Texas	Care Improvement Plan
Care Improvement Plus South Central Insurance Company	Arkansas
Care Improvement Plus Wisconsin Insurance Company	Wisconsin
Casa de Saúde Santa Therezinha S.A.	Brazil
Castle Rock SurgiCenter, LLC	Colorado
Catalyst360, LLC	Delaware
Catamaran Finance (Ireland) Unlimited Company	Dublin
Catamaran S.á.r.l.	Luxembourg
CDC Holdings Colombia S.A.S.	Colombia
Cedar Park Surgery Center, LLC	Texas
Cemed Care – Empresa de Atendimento Clínico Geral Ltda.	Brazil
Central de Compras SpA	Chile
Central Indiana Care Organization, LLC	Indiana
Central Ohio Care Organization, LLC	Ohio
CentrifyHealth, LLC	Delaware
CentriHealth Corporation	Ontario
CentriHealth UK Limited	United Kingdom
Centro de Entrenamiento en Reanimación y Prevención Limitada (CERP)	Chile
Centro de Servicios Compartidos Banmédica S.A.	Chile
Centro Médico Hospitalar Pitangueiras Ltda.	Brazil
Centro Médico Odontológico Americano S.A.C.	Peru
Centro Médico PJ Ltda.	Brazil
Centromed Quilpué S.A.	Chile
Centros Médicos y Dentales Multimed Ltda.	Chile
Channel Islands Surgicenter Properties, LLC	Delaware
Channel Islands Surgicenter, L.P.	California
Charleston Surgery Properties, LLC	Delaware
Charlotte-SC, LLC	Delaware
Childrens Surgery Center, LLC	Florida
ChinaGate (Hong Kong) Limited	Hong Kong	OptumInsight

Citrus Regional Surgery Center, L.P.	Tennessee
Clínica Alameda S.A.	Chile
Clínica Bío Bío S.A.	Chile
Clínica Ciudad del Mar S.A.	Chile
Clínica Dávila y Servicios Médicos S.A.	Chile
Clínica del Country S.A.	Colombia
Clínica Médico Cirúrgica de Santa Tecla, S.A.	Portugal
Clinica Oftalmologica Danilo de Castro Sociedade Simples	Brazil
Clínica San Borja (La Esperanza del Perú S.A.)	Peru
Clínica San Felipe S.A.	Peru
Clínica Sánchez Ferrer S.A.	Peru
Clínica Santa María S.A.	Chile
Clínica Vespucio S.A.	Chile
CLISA – Clínica de Santo António, S.A.	Portugal
CMO – Centro Médico de Oftalmologia S/S Ltda.	Brazil
CMS – Central de Manipulação e Serviços Farmacêuticos S.A.	Brazil
CNIC Health Solutions, Inc.	Colorado	Rocky Mountain Health Administrators, Inc. Specialty Claims Solutions
Coachella Valley Physicians of PrimeCare, Inc.	California
Coalition for Advanced Pharmacy Services, Inc.	Delaware
COI – Clínicas Oncológicas Integradas S.A.	Brazil
COI Participações S.A.	Brazil
Collaborative Care Holdings, LLC	Delaware
Collaborative Care Services, Inc.	Delaware
Collaborative Realty, LLC	New York
Colmedica Medicina Prepagada	Colombia
Colorado Springs Surgery Center, Ltd.	Colorado
Comfort Care Transportation, LLC	Texas
Connecticut Surgery Center, Limited Partnership	Connecticut
Connecticut Surgery Properties, LLC	Delaware
Connecticut Surgical Center, LLC	Delaware
Constructora e Inmobiliaria Magapoq S.A.	Chile
Consumer Wellness Solutions, Inc.	Delaware
Country Scan Ltda.	Colombia
Cypress Care, Inc.	Delaware	Optum Workers Compensation Services of Georgia
Danbury Surgical Center, L.P.	Georgia
Day-Op Surgery Consulting Company, LLC	Delaware
DBP Services of New York IPA, Inc.	New York
Dental Benefit Providers of California, Inc.	California	OptumHealth Dental of California
Dental Benefit Providers of Illinois, Inc.	Illinois
Dental Benefit Providers, Inc.	Delaware	DBP Services DBP Services Inc.
Derry Surgical Center, LLC	New Hampshire
Diagnóstico Ecotomográfico Centromed Ltda.	Chile

Diasnóstico por Imágenes Centromed Ltda.	Chile
Dilab Medicina Nuclear Ltda.	Brazil
Distance Learning Network, Inc.	Delaware	i3CME OptumHealth Education
Doctor + S.A.C.	Peru
Dry Creek Surgery Center, LLC	Colorado
DTC Surgery Center, LLC	Colorado
Dublin Surgery Center, LLC	Ohio
Duncan Printing Services, LLC	South Carolina
DWIC of Tampa Bay, Inc.	Florida	Doctor's Walk-In Clinics MedExpress MedExpress Urgent Care - Brandon MedExpress Urgent Care - Cape Coral, SW Pine Island Rd MedExpress Urgent Care - Carrollwood MedExpress Urgent Care - Clearwater MedExpress Urgent Care - Clewiston, W Sugarland Hwy MedExpress Urgent Care - Deland, N Woodland Blvd MedExpress Urgent Care - Estero, S Tamiami Trl MedExpress Urgent Care - Fort Meyers, S Cleveland Ave MedExpress Urgent Care - Golden Gate, Collier Blvd. MedExpress Urgent Care - Hudson, State Road 52 MedExpress Urgent Care - Jacksonville, Atlantic Blvd. MedExpress Urgent Care - Jacksonville, Merrill Rd MedExpress Urgent Care - Lakeland, N Road 98 MedExpress Urgent Care - Largo MedExpress Urgent Care - Lehigh Acres, Homestead Rd N MedExpress Urgent Care - Lutz MedExpress Urgent Care - New Tampa MedExpress Urgent Care - North Port, Tuscola Blvd MedExpress Urgent Care - Northside MedExpress Urgent Care - Palm Beach Gardens MedExpress Urgent Care - Port Charlotte, Tamiami Trl MedExpress Urgent Care - Seffner MedExpress Urgent Care - Vero Beach, US Highway 1 MedExpress Urgent Care - West Tampa
E Street Endoscopy, LLC	Florida
Ear Professionals International Corporation	Delaware	EPIC Hearing Healthcare
East Brunswick Surgery Center, LLC	New Jersey
eCode Solutions, LLC	Delaware
Electronic Network Systems, Inc.	Delaware
Elual Participações S.A.	Brazil
Emmaus Holdings, LLC	New Jersey
Empire Physician Management Company, LLC	California
Empremédica S. A.	Peru
Endoscopy Center Affiliates, Inc.	Delaware

EP Campus I, LLC	Delaware
Esho – Empresa de Serviços Hospitalares S.A.	Brazil
Etho – Empresa de Tecnologia Hospitalar Ltda.	Brazil
Evercare Collaborative Solutions, Inc.	Delaware
Excellion Serviços Biomédicos Ltda.	Brazil
Executive Health Resources, Inc.	Pennsylvania
Executive Surgery Center, LLC	Texas
Family Health Care Services	Nevada	Southwest Medical Associates Home Health
Family Home Hospice, Inc.	Nevada	Family Home Hospice and Palliative Care Southwest Medical Associates Hospice and Palliative Care
Florida MedTrans Network LLC	Florida
Florida MedTrans Network MSO LLC	Florida
FMG Holdings, LLC	Delaware
For Health of Arizona, Inc.	Arizona	Geriatrix of Arizona INSPIRIS of Arizona
For Health, Inc.	Delaware
Fortify Technologies Asia, LLC	Phillipines
Fortify Technologies, LLC	Minnesota
Franklin Surgical Center, LLC	New Jersey
Freeway Surgicenter of Houston, LLC	Texas
Frontier Medex Tanzania Limited	Tanzania
FrontierMEDEX (RMS), Inc.	Delaware
FrontierMEDEX Government Services, LLC	Delaware
FrontierMEDEX Kenya Limited	Nairobi
FrontierMEDEX US, Inc.	Delaware
FrontierMEDEX, Inc.	Minnesota	UnitedHealthcare Global
Fundación Banmédica	Chile
Gadsden Surgery Center, LLC	Delaware
Gadsden Surgery Center, Ltd.	Alabama
Gainesville Surgery Center, L.P.	Tennessee
Gainesville Surgery Properties, LLC	Delaware
Genoa Healthcare LLC	Pennsylvania
Genoa Healthcare, Inc.	Delaware
Genoa of Arkansas, LLC	Arkansas
Genoa Technology (Canada) Inc.	Canada
Genoa Technology, Inc.	Delaware
Genoa Telepsychiatry, Inc.	Delaware	1DocWay, Inc.
Genoa, QoL Wholesale, LLC	Delaware
gethealthinsurance.com Agency Inc.	Indiana	UnitedOne Insurance Agency
Glenwood Surgical Center, L.P.	California
Glenwood-SC, Inc.	Tennessee
Golden Outlook, Inc.	California	Golden Outlook Golden Outlook Insurance Services
Golden Rule Financial Corporation	Delaware
Golden Rule Insurance Company	Indiana	UnitedHealthOne
Golden Triangle Surgicenter, L.P.	California

GRANTS PASS SURGERY CENTER, LLC	Oregon
Greater Hartford ASC, LLC	Connecticut
Grove Place Surgery Center, L.L.C.	Florida
H&W Indemnity (SPC), Ltd.	Grand Cayman
H.I. Investments Holding Company, LLC	Delaware
Handles Merger Sub, Inc.	Delaware
Harken Health Insurance Company	Wisconsin
Hayes-Strub, LLC	Ohio
hCentive, Inc.	Delaware
Health Inventures Employment Solutions, LLC	Delaware
Health Inventures, LLC	Delaware
Health Net Services (Cayman) PIC	Grand Cayman
Health Plan of Nevada, Inc.	Nevada
HealthAllies, Inc.	Delaware	OptumHealth Allies
Healthcare Solutions, Inc.	Delaware	Optum Healthcare Solutions of Georgia
HealthFirst IPA, Inc.	Colorado
Help S.A.	Chile
Help Service S.A.	Chile
Highlands Ranch Healthcare, LLC	Colorado
Home Medical S.A.	Chile
Hospice Inspiris Holdings, Inc.	Tennessee
Hospitais Associados de Pernambuco Ltda.	Brazil
Hospital Alvorada de Taguatinga Ltda.	Brazil
Hospital Ana Costa S.A.	Brazil
Hospital de Clínicas de Jacarepaguá Ltda.	Brazil
Hospital Samaritano de São Paulo Ltda.	Brazil
Hospital Santa Helena S.A.	Brazil
Humedica, Inc.	Delaware
Hygeia Corporation	Delaware
Hygeia Corporation (Ontario)	Ontario
Illinois Independent Care Network	Delaware
Imed Star – Serviços de Desempenho Organizacional Ltda.	Brazil
Impel Consulting Experts, L.L.C.	Texas
Impel Management Services, L.L.C.	Texas	Impel Consulting Experts
Indian River Surgery Center, Ltd.	Florida
Indian River Surgery Properties, LLC	Florida
Indiana Care Organization, LLC	Indiana
Ingram & Associates, LLC	Tennessee	Ingram & Associates, LLC (Tennessee) Ingram & Associates,(Tennessee) LLC Ingram BPO Services, LLC
Inmobiliaria Apoquindo 3001 S.A.	Chile
Inmobiliaria Apoquindo 3600 Ltda.	Chile
Inmobiliaria Apoquindo S.A.	Chile
Inmobiliaria Clínica Santa María S.A.	Chile
Inmobiliaria e Inversiones Alameda S.A.	Chile
Inmobiliaria Viñamed Ltda.	Chile

INOV8 Surgical at Memorial City, LLC	Texas
inPharmative, Inc.	Nevada
INSPIRIS of New York IPA, Inc.	New York	Care Level Management of New York OptumCare Network IPA
INSPIRIS of New York Management, Inc.	New York	INSPIRIS of New York Management
INSPIRIS of Texas Physician Group	Texas	Optum Clinic Optum Clinic + Medical Spa Optum Clinic + Urgent Care
Inspiris, Inc.	Delaware
Inversiones Clínicas Santa María S.A.	Chile
Isapre Banmédica S.A.	Chile
Isapre Vida Tres S.A.	Chile
Johnston Surgicare, L.P.	Rhode Island
Joliet Surgery Center Limited Partnership	Illinois
Laboratorio ROE S.A.	Peru
Laboratorios Médicos Amed Quilpué S.A.	Chile
Liberty Anesthesia Services, LLC	Illinois
Lifeprint Accountable Care Organization, LLC	Delaware	Optum Accountable Care, Arizona
Lifeprint East, Inc.	Delaware	OptumCare Network of Connecticut
LifePrint Health, Inc.	Delaware	Optum Medical Network OptumCare Medical Network Optumcare Network of Indiana
Logistics Health, Inc.	Wisconsin
Lotten-Eyes Oftalmologia Clinica e Cirurgica Ltda.	Brazil
Louisville S.C., Ltd.	Kentucky
Louisville-SC Properties, Inc.	Kentucky
Loyola Ambulatory Surgery Center at Oakbrook, Inc.	Illinois
Lusíadas - Parcerias Cascais, S.A.	Portugal
Lusíadas A.C.E.	Portugal
Lusíadas, S.A.	Portugal
Lusíadas, SGPS, S.A.	Portugal
MAMSI Insurance Resources, LLC	Maryland
MAMSI Life and Health Insurance Company	Maryland
Managed Physical Network, Inc.	New York
March Holdings, Inc.	California
March Vision Care, Inc.	California
Marin Surgery Holdings, Inc.	Delaware
Maryland Ambulatory Centers	Maryland
Maryland-SCA Centers, LLC	Delaware
Massachusetts Assurance Co., Ltd.	Grand Cayman
Massachusetts Avenue Surgery Center, LLC	Maryland
McKenzie Surgery Center, L.P.	Tennessee
MD Ops, Inc.	California	CHIEF Community Health Information Exchange Foundation
MD-Individual Practice Association, Inc.	Maryland	M.D. IPA M.D. IPA HEALTH M.D. IPA PREFERRED
ME AHS UC LLC	Delaware

Medalliance Net Ltda.	Brazil
MEDEX Insurance Services, Inc.	Maryland	MEDEX Insurance Agency MGG Insurance Services
MedExpress Development, LLC	Florida
MedExpress Urgent Care Alabama, LLC	Alabama
MedExpress Urgent Care Maine, Inc.	Maine
MedExpress Urgent Care New Hampshire, Inc.	New Hampshire
MedExpress Urgent Care of Boynton Beach, LLC	Florida	MedExpress Urgent Care - Boca Raton MedExpress Urgent Care - Coral Springs MedExpress Urgent Care - Palm Beach Gardens MedExpress Urgent Care - Royal Palm Beach
MedExpress Urgent Care, Inc. - Ohio	Ohio
Medica Health Plans of Florida, Inc.	Florida
Medica HealthCare Plans, Inc.	Florida
Medical Hilfe S.A.	Chile
Medical Surgical Centers of America, Inc.	Delaware
Medical Transportation Services, LLC	Florida	MTS
Medication Management Systems, Inc.	Minnesota
MedSynergies, LLC	Delaware
Melbourne Surgery Center, LLC	Georgia
Memorial City Holdings, LLC	Delaware
Memorial City Partners, LLC	Delaware
Memphis-SC, LLC	Tennessee
Memphis-SP, LLC	Tennessee
Mesquite Liberty, LLC	Nevada
Metropolitan Medical Partners, LLC	Maryland
Metropolitan Medical Transportation IPA, LLC	New York
MHC Real Estate Holdings, LLC	California
MIAMI SURGERY CENTER, LLC	Delaware
Midwest Center for Day Surgery, LLC	Illinois
Mile High SurgiCenter, LLC	Colorado
Mississippi Surgery Holdings, LLC	Delaware
Mississippi Surgical Center Limited Partnership	Mississippi
Modern Medical, Inc.	Ohio	MMI of Ohio, Inc. Modern Medical of Ohio, Inc. Optum Workers Compensation Medical Services Optum Workers Compensation Services Optum WorkersCompensation Medical Services
Monarch Management Services, Inc.	Delaware
Montgomery Surgery Center Limited Partnership	Maryland
MSLA Management LLC	Delaware
Mt. Pleasant Surgery Center, L.P.	Tennessee
Multiangio Ltda.	Brazil
Muskogee Surgical Investors, LLC	Oklahoma
Mustang Razorback Holdings, Inc.	Delaware
My Wellness Solutions, LLC	Delaware

NAMM Holdings, Inc.	Delaware
Nashville-SCA Surgery Centers, Inc.	Tennessee
National MedTrans, LLC	New York
National Pacific Dental, Inc.	Texas
National Surgery Centers, LLC	Delaware
Neighborhood Health Partnership, Inc.	Florida
Netwerkes, LLC	Tennessee
Nevada Pacific Dental	Nevada
New Orleans Regional Physician Hospital Organization, L.L.C.	Louisiana	Peoples Health Peoples Health Network
New West Physicians, Inc.	Colorado	Elk Ridge Family Medicine HEALTHFIRST PHYSICIANS New West Physicians Physician Alliance of the Rockies
Newton Holdings, LLC	Delaware
North American Medical Management California, Inc.	Tennessee
Northern Nevada Health Network, Inc.	Nevada
Northern Rockies Surgery Center, L.P.	Tennessee
Northern Rockies Surgicenter, Inc.	Montana
Northwest Surgicare, LLC	Delaware
Northwest Surgicare, Ltd., an Illinois Limited Partnership	Illinois
NSC Fayetteville, LLC	Delaware
NSC Greensboro, LLC	Delaware
NSC Lancaster, LLC	Delaware
NSC Seattle, Inc.	Washington
NSC Upland, LLC	Delaware
Omesa S.A.	Chile
Oncocare S.A.C.	Peru
OneNet PPO, LLC	Maryland
Optimum Choice, Inc.	Maryland
Optum Bank, Inc.	Utah	Exante Bank, Inc. OptumHealth Bank, Inc.
Optum Biometrics, Inc.	Illinois	Wellness, Inc. Wellness, Inc., which will do business in California as Illinois Wellness, Inc.
Optum Care Services Company	Tennessee	Care Level Management of Florida Inspiris of Florida
Optum Care, Inc.	Delaware
Optum Clinics Holdings, Inc.	Delaware
Optum Clinics Intermediate Holdings, Inc.	Delaware
Optum Digital Health Holdings, LLC	Delaware
Optum Finance (Ireland) Unlimited Company	Dublin
Optum Global Solutions (India) Private Limited	India
Optum Global Solutions (Philippines), Inc.	Phillipines
Optum Global Solutions International B.V.	Netherlands
Optum Government Solutions, Inc.	Delaware
Optum Health & Technology (Hong Kong) Limited	Hong Kong
Optum Health & Technology (India) Private Limited	India

Optum Health & Technology (Singapore) Pte. Ltd.	Singapore
Optum Health & Technology (UK) Limited	United Kingdom
Optum Health & Technology (US), LLC	Missouri
Optum Health & Technology Holdings (US), Inc.	Missouri
Optum Health & Technology Serviços do Brasil Ltda.	Brazil
Optum Health and Technology FZ-LLC	Dubai
Optum Health Services (Canada) Ltd.	British Columbia	Interlock Employee and Family Assistance
Optum Health Solutions (Australia) Pty Ltd	Australia
Optum Health Solutions (UK) Limited	United Kingdom
Optum Healthcare of Illinois, Inc.	Georgia
Optum Hospice Pharmacy Services, LLC	Delaware	HospiScript Services Optum Hospice Pharmacy Services Optum Hospice Pharmacy Services Administrator
Optum Insurance of Ohio, Inc.	Ohio
Optum Labs Dimensions, Inc.	Delaware
Optum Labs International (UK) Ltd.	United Kingdom
Optum Labs, Inc.	Delaware
Optum Life Sciences (Canada) Inc.	Ontario
Optum Management Consulting (Shanghai) Co., Ltd.	China
Optum Nevada Accountable Care Organization LLC	Delaware
Optum of New York, Inc.	New York
Optum Palliative and Hospice Care of Pennsylvania, Inc.	Tennessee	Evercare Hospice & Palliative Care
Optum Palliative and Hospice Care of Texas, Inc.	Tennessee	Evercare Hospice & Palliative Care
Optum Palliative and Hospice Care, Inc.	Delaware	Evercare Hospice Evercare Hospice and Palliative Care Evercare Hospice and Palliative Care of Colorado Springs Evercare Hospice and Palliative Care of Denver Evercare Palliative Care Evercare Palliative Services Evercare Palliative Services of Colorado Springs Evercare Palliative Services of Denver Evercare Palliative Services of Dover Evercare Palliative Services of Vienna
Optum Public Sector Solutions, Inc.	Delaware	Ingenix Public Sector Solutions Ingenix Public Sector Solutions, Inc.
Optum Rocket, Inc.	Delaware
Optum Senior Services, LLC	Alabama	SeniorScript
Optum Services (Ireland) Limited	Dublin
Optum Services (Puerto Rico) LLC	Puerto Rico
Optum Services, Inc.	Delaware
Optum Solutions do Brasil – Tecnologia e Serviços de Suporte Ltda.	Brazil
Optum Solutions UK Holdings Limited	United Kingdom
Optum Technology, Inc.	Delaware
Optum UK Solutions Group Limited	United Kingdom
Optum Women's and Children's Health, LLC	Delaware
Optum, Inc.	Delaware
Optum360 Services, Inc.	Delaware

Optum360 Solutions, LLC	Delaware
Optum360, LLC	Delaware
OptumHealth Care Solutions, LLC	Delaware
OptumHealth Financial Services, Inc.	Delaware
OptumHealth Holdings, LLC	Delaware
OptumHealth International B.V.	Netherlands
OptumInsight Holdings, LLC	Delaware
OptumInsight Life Sciences, Inc.	Delaware	Innovus QualityMetric QualityMetric Incorporated
OptumInsight, Inc.	Delaware	Ingenix Ingenix, Inc. Optum
OptumRx Administrative Services, LLC	Texas
OptumRx Discount Card Services, LLC	Delaware
OptumRx Group Holdings, Inc.	Delaware
OptumRx Health Solutions, LLC	Delaware
OptumRx Holdings I, LLC	Delaware
OptumRx Holdings, LLC	Delaware
OptumRx Home Delivery of Ohio, LLC	Ohio	OptumRx at Nationwide OptumRx of Ohio
OptumRx IPA III, Inc.	New York
OptumRx NY IPA, Inc.	New York
OptumRx of Pennsylvania, LLC	Delaware	FutureScripts Secure
OptumRx PBM of Illinois, Inc.	Delaware
OptumRx PBM of Maryland, LLC	Nevada
OptumRx PBM of Pennsylvania, LLC	Pennsylvania	FutureScripts
OptumRx PBM of Puerto Rico, LLC	Nevada
OptumRx PBM of Wisconsin, LLC	Wisconsin	OptumRx PBM Administrator of Wisconsin
OptumRx PD of Pennsylvania, LLC	Pennsylvania
OptumRx Pharmacy of Nevada, Inc.	Nevada	Culinary Culinary Pharmacy
OptumRx Pharmacy, Inc.	Delaware
OptumRx, Inc.	California	hi HealthInnovations OptumRx OptumRx Pharmacy at Collins Aerospace OptumRx Pharmacy at Rockwell Collins
Orlando Center for Outpatient Surgery, L.P.	Georgia
OrthoNet Holdings, Inc.	Delaware
OrthoNet LLC	New York	OrthoNet of New York
OrthoNet New York IPA, Inc.	New York
OrthoNet of the Mid-Atlantic, Inc.	Delaware
OrthoNet of the South, Inc.	Delaware
OrthoNet Services, Inc.	Delaware
OrthoNet West, Inc.	Delaware
Ovations, Inc.	Delaware
Oxford Benefit Management, Inc.	Connecticut
Oxford Health Insurance, Inc.	New York
Oxford Health Plans (CT), Inc.	Connecticut

Oxford Health Plans (NJ), Inc.	New Jersey
Oxford Health Plans (NY), Inc.	New York
Oxford Health Plans LLC	Delaware	Oxford Agency - Oxford Health Plans Inc.
P2P Link, LLC	Delaware
PacifiCare Life and Health Insurance Company	Indiana	UnitedHealthOne
PacifiCare Life Assurance Company	Colorado	UnitedHealthOne
PacifiCare of Arizona, Inc.	Arizona	PacifiCare Secure Horizons
PacifiCare of Colorado, Inc.	Colorado	Comprecare, Inc. Secure Horizons
PacifiCare of Nevada, Inc.	Nevada	PacifiCare
Pacífico S.A. Entidad Prestadora de Salud	Peru
Paoli Ambulatory Surgery Center	Pennsylvania
Paoli Surgery Center, L.P.	Tennessee
Parkway Surgery Center, LLC	Delaware
Pasteur Plaza Surgery Center GP, Inc.	Delaware
Patrimonio Autónomo Clínica del Country (Colombia)	Colombia
Patrimonio Autónomo Clínica la Colina (Colombia)	Colombia
Patrimonio Autónomo Nueva Clínica - PANC.	Colombia
Payment Resolution Services, LLC	Tennessee
PCCCV, Inc.	California
Peoples Health, Inc.	Louisiana
Pharmacy Software Holdco, Inc.	Pennsylvania
PHC Subsidiary Holdings, LLC	Texas
Physician Alliance of the Rockies, LLC	Colorado
PHYSICIANS DAY SURGERY CENTER, LLC	Florida
Physicians Health Choice of Texas, LLC	Texas	Physicians Health Choice
Physicians Health Plan of Maryland, Inc.	Maryland
Physicians Plaza Holdings, LLC	California
Plano de Saúde Ana Costa Ltda.	Brazil
Plus One Health Management Puerto Rico, Inc.	Puerto Rico
Plus One Holdings, Inc.	Delaware
PMI Acquisition, LLC	Delaware
PMSI Holdings, LLC	Delaware
PMSI Settlement Solutions, LLC	Florida	Helios Optum Settlement Solutions
PMSI, LLC	Florida	Helioscomp, LLC Optum Optum Workers Compensation Services of Florida
Polar II Fundo de Investimento em Participações Multiestrategia	Brazil
Polo Holdco, LLC	Delaware
POMCO Network, Inc.	New York
POMCO of Florida Ltd., Inc.	Florida
POMCO West, Inc.	Delaware
POMCO, Inc.	New York	EM Risk Management Pomco Pomco Group Benefit Administrators

Pomcoplus, LLC	New York	AllMed Audit Services Recovery Resource Specialist
Pomerado Outpatient Surgical Center, Inc.	California
Pomerado Outpatient Surgical Center, L.P.	California
Preferred Care Partners Holding, Corp.	Florida	UnitedHealthcare
Preferred Care Partners Medical Group, Inc.	Florida
Preferred Care Partners, Inc.	Florida
Premier Choice ACO, Inc.	California
Premier Surgery Center of Louisville, L.P.	Tennessee
Prime Health, Inc.	Nevada	Med One Works
PrimeCare Medical Network, Inc.	California
PrimeCare of Citrus Valley, Inc.	California
PrimeCare of Corona, Inc.	California
PrimeCare of Hemet Valley, Inc.	California
PrimeCare of Inland Valley, Inc.	California
PrimeCare of Moreno Valley, Inc.	California
PrimeCare of Redlands, Inc.	California
PrimeCare of Riverside, Inc.	California
PrimeCare of San Bernardino, Inc.	California
PrimeCare of Sun City, Inc.	California
PrimeCare of Temecula, Inc.	California
Procura Management, Inc.	Delaware	Optum Managed Care Services
Progressive Enterprises Holdings, Inc.	Delaware
Progressive Medical, LLC	Ohio	Automed Solutions Helios Optum Workers Compensation Services of Ohio PMI Medical Solutions, LLC PMI Solutions, LLC Progressive Medical Solutions, LLC Progressive Medical, LLC of Ohio
ProHEALTH Fitness of Lake Success, LLC	New York
ProHEALTH Medical Management, LLC	Delaware
ProHealth Physicians ACO, LLC	Connecticut
ProHealth Physicians, Inc.	Connecticut
ProHealth Proton Center Management, LLC	Delaware
Promotora Country S.A.	Colombia
Pronounced Health Solutions, Inc.	Delaware
Prosemedic S.A.C.	Peru
Pueblo Ambulatory Surgery Center, LLC	Colorado
Pueblo-SCA Surgery Center, LLC	Delaware
Pulse Platform, LLC	Delaware
QoL Acquisition Holdings Corp.	Delaware
Quality Software Services, Inc.	Maryland	Optum Optum, Inc. Q.S.S., Inc. QSSI
Rally Health, Inc.	Delaware
Real Appeal, Inc.	Delaware
Recaudación y Cobranzas Honodav Ltda.	Chile

Redlands Ambulatory Surgery Center	California
Redlands-SCA Surgery Centers, Inc.	California
Reliant MSO, LLC	Delaware
River Valley ASC, LLC	Connecticut
Riverside Medical Management, LLC	Delaware
Rocky Mountain Health Maintenance Organization, Incorporated	Colorado	Rocky Mountain Health Plans Rocky Mountain HMO
Rocky Mountain Health Management Corporation	Colorado	Rocky Mountain Health Advantage Rocky Mountain HMC Western Health Plans, Inc.
Rocky Mountain HealthCare Options, Inc.	Colorado	HealthCare Options, Inc. Rocky Mountain HCO
Saden S.A.	Chile
Salem Surgery Center, LLC	Oregon
Salveo Specialty Pharmacy, Inc.	Delaware
Sand Lake SurgiCenter, LLC	Florida
Santa Cruz Endoscopy Center, LLC	California
Santa Helena Assistência Médica S.A.	Brazil
Santos Administração e Participações S.A.	Brazil
Savvysherpa Administrative Services, LLC	Minnesota
Savvysherpa Asia, Inc.	Phillipines
Savvysherpa, LLC	Delaware
SC Affiliates, LLC	Delaware
SCA Athens, LLC	Delaware
SCA Austin Holdings, LLC	Delaware
SCA BOSC Holdings, LLC	Delaware
SCA California Surgical Holdings, LLC	Delaware
SCA Capital, LLC	Delaware
SCA Cedar Park Holdings, LLC	Delaware
SCA Danbury Surgical Center, LLC	Delaware
SCA Development, LLC	Delaware
SCA eCode Solutions Private Limited	India
SCA EHSC Holdings, LLC	Delaware
SCA EWASC Holdings, LLC	Delaware
SCA Hays Holdings, LLC	Delaware
SCA Heartland Holdings, LLC	Delaware
SCA HoldCo, Inc.	Delaware
SCA Holding Company, Inc.	Delaware
SCA Holdings, Inc.	California
SCA IEC Holdings, LLC	Delaware
SCA Indiana Holdings, LLC	Delaware
SCA Nashville ASC, LLC	Tennessee
SCA of Clarksville, Inc.	Tennessee
SCA Pacific Holdings, Inc.	California
SCA Pennsylvania Holdings, LLC	Delaware
SCA Premier Surgery Center of Louisville, LLC	Delaware
SCA Rockledge JV, LLC	Delaware
SCA ROCS Holdings, LLC	Delaware

SCA Southwestern PA, LLC	Delaware
SCA Specialists of Florida, LLC	Delaware
SCA SSC Holdings, LLC	Delaware
SCA SSSC Holdings, LLC	Delaware
SCA Stonegate Holdings, LLC	Delaware
SCA Surgery Center of Cullman, LLC	Delaware
SCA Surgery Holdings, LLC	Delaware
SCA Surgery Partners, LLC	Delaware
SCA Surgicare of Laguna Hills, LLC	Delaware
SCA Teammate Support Network	Alabama
SCA-Albuquerque Surgery Properties, Inc.	New Mexico
SCA-Alliance, LLC	Delaware
SCA-Anne Arundel, LLC	Delaware
SCA-Bethesda, LLC	Delaware
SCA-Blue Ridge, LLC	Delaware
SCA-Bonita Springs, LLC	Delaware
SCA-Brandon, LLC	Delaware
SCA-Brazil, LLC	Delaware
SCA-Castle Rock, LLC	Delaware
SCA-Central Florida, LLC	Florida
SCA-Charleston, LLC	Delaware
SCA-Chatham, LLC	Delaware
SCA-Cherry Creek, LLC	Delaware
SCA-Chevy Chase, LLC	Delaware
SCA-Citrus, Inc.	Tennessee
SCA-Colorado Springs, LLC	Delaware
SCA-Connecticut Partners, LLC	Delaware
SCA-Davenport, LLC	Delaware
SCA-Derry, LLC	Delaware
SCA-Doral, LLC	Delaware
SCA-DRY CREEK, LLC	Delaware
SCA-DTC Holdings, LLC	Delaware
SCA-Dublin, LLC	Delaware
SCA-Encinitas, Inc.	Delaware
SCA-Eugene, Inc.	Tennessee
SCA-First Coast, LLC	Delaware
SCA-Florence, LLC	Delaware
SCA-Fort Collins, Inc.	Colorado
SCA-Fort Walton, Inc.	Tennessee
SCA-Franklin, LLC	Delaware
SCA-Frederick, LLC	Delaware
SCA-Freeway Holdings, LLC	Delaware
SCA-Ft. Myers, LLC	Delaware
SCA-Gainesville, LLC	Delaware
SCA-Gladiolus, LLC	Delaware
SCA-GRANTS PASS, LLC	Delaware

SCA-Grove Place, LLC	Delaware
SCA-Hagerstown, LLC	Delaware
SCA-Hamden, LLC	Delaware
SCA-Hilton Head, LLC	Delaware
SCA-Honolulu, LLC	Delaware
SCA-Houston Executive, LLC	Delaware
SCAI Holdings, LLC	Delaware
SCA-Illinois, LLC	Delaware
SCA-IT Holdings, LLC	Delaware
SCA-Kissing Camels Holdings, LLC	Delaware
SCA-Main Street, LLC	Delaware
SCA-Marina del Rey, LLC	California
SCA-MC VBP, Inc.	Delaware
SCA-Mecklenburg Development Corp.	North Carolina
SCA-Memorial City, LLC	Delaware
SCA-Merritt, LLC	Delaware
SCA-Midlands, LLC	Delaware
SCA-Midway Management, LLC	Illinois
SCA-Mile High Holdings, LLC	Delaware
SCA-Mobile, LLC	Delaware
SCA-Mokena Properties, LLC	Delaware
SCA-Mokena, LLC	Delaware
SCA-Mt. Pleasant, LLC	Delaware
SCA-Naperville, LLC	Delaware
SCA-Naples, LLC	Delaware
SCA-ND VBP, Inc.	Delaware
SCA-New Jersey, LLC	Delaware
SCA-Newport Beach, LLC	California
Scanner Centromed S.A.	Chile
SCA-Northeast Georgia Health, LLC	Tennessee
SCA-Ortho Holdings, LLC	Delaware
SCA-Palm Beach MSO Holdings, LLC	Delaware
SCA-Palm Beach, LLC	Delaware
SCA-Paoli, LLC	Delaware
SCA-Phoenix, LLC	Delaware
SCA-Pocono, LLC	Delaware
SCA-PORTLAND, LLC	Delaware
SCA-River Valley, LLC	Delaware
SCA-Rockville, LLC	Florida
SCA-San Diego, Inc.	Delaware
SCA-San Luis Obispo, LLC	Delaware
SCA-Sand Lake, LLC	Florida
SCA-Santa Rosa, Inc.	Nevada
SCA-Shelby Development Corp.	Tennessee
SCA-Somerset, LLC	Delaware
SCA-South Jersey, LLC	Delaware

SCA-Sovereign Santa Monica, LLC	Delaware
SCA-Sparta, LLC	Delaware
SCA-Spartanburg Holdings, LLC	Delaware
SCA-St. Louis, LLC	Delaware
SCA-St. Lucie, LLC	Delaware
SCA-SurgiCare, LLC	Delaware
SCA-Swiftpath, LLC	Delaware
SCA-VERTA, LLC	Delaware
SCA-Wake Forest, LLC	Delaware
SCA-Western Connecticut, LLC	Delaware
SCA-Westover Hills, LLC	Delaware
SCA-Wilmington, LLC	Delaware
SCA-Wilson, LLC	Delaware
SCA-Winchester, LLC	Delaware
SCA-Winter Park, Inc.	Tennessee
SCA-Woodlands Holdings, LLC	Delaware
SCP Specialty Infusion, LLC	Delaware
ScriptSwitch Limited	United Kingdom
Seisa Serviços Integrados de Saúde Ltda.	Brazil
Senate Street Surgery Center, LLC	Indiana
Serquinox Holdings LLC	Delaware
Servicios de Entrenamiento en Competencias Clínicas Ltda.	Chile
Servicios Integrados de Salud Ltda.	Chile
Servicios Médicos Amed Quilpué S.A.	Chile
Servicios Médicos Bío Bío Limitada	Chile
Servicios Médicos Ciudad del Mar Ltda.	Chile
Servicios Médicos Santa María Limitada	Chile
Servicios Médicos Vespucio Ltda.	Chile
SharedClarity LLC	Delaware
SHC Atlanta, LLC	Delaware
SHC Austin, Inc.	Georgia
SHC Hawthorn, Inc.	Georgia
SHC Melbourne, Inc.	Georgia
Shelby Surgery Properties, Inc.	Tennessee
Sierra Health and Life Insurance Company, Inc.	Nevada
Sierra Health Services, Inc.	Nevada
Sierra Health-Care Options, Inc.	Nevada
Sierra Home Medical Products, Inc.	Nevada	THC of Nevada THC of Nevada Pharmacy
Sierra Nevada Administrators, Inc.	Nevada
Sistema de Administración Hospitalaria S.A.C.	Peru
Sobam – Centro Médico Hospitalar S.A.	Brazil
Sociedad de Inversiones Santa María S.A.	Chile
Sociedad Editorial para la Ciencia Limitada.	Colombia
Somerset Outpatient Surgery, L.L.C.	New Jersey

Southwest Medical Associates, Inc.	Nevada	Optum Nevada Medical Partners OptumCare Medical Group Sierra Home Medical Products, Inc. SMA Lifestyle Center Soutwest Medical Pharmacy & Home Medical Equipment
Southwest Michigan Health Network Inc.	Michigan
Southwest Surgery Center, LLC	Illinois
Southwest Surgical Center of Bakersfield, L.P.	California
Space Coast Surgical Center, Ltd.	Florida
Specialists in Urology Surgery Center, LLC	Florida
Specialized Pharmaceuticals, Inc.	Pennsylvania
Specialty Benefits, LLC	Delaware	EyeFit EyeFit Vision Center EyeFit Vision Centers
Specialty Surgical Center, LLC	New Jersey
Spectera of New York, IPA, Inc.	New York
Spectera, Inc.	Maryland	CARE Programs, a division of Spectera, Inc Health Benefit Sevices, Inc. Spectera United Optical
SPINETRACK 20/20, Inc.	California
Spotlite, Inc.	Delaware
SRPS, LLC	Delaware
St. Cloud Surgical Center, LLC	Delaware
Stonegate Surgery Center, L.P.	Texas
Streamlines Health, LLC	Minnesota
SunSurgery, LLC	Delaware
Surgery Center at Cherry Creek, LLC	Colorado
Surgery Center at Kissing Camels, LLC	Colorado
Surgery Center Holding, LLC	Delaware
Surgery Center of Athens, LLC	Georgia
Surgery Center of Boca Raton, Inc.	Florida
Surgery Center of Clarksville, L.P.	Tennessee
Surgery Center of Colorado Springs, LLC	Delaware
Surgery Center of Des Moines, LLC	Delaware
Surgery Center of Easton, LLC	Delaware
Surgery Center of Ellicott City, Inc.	Delaware
Surgery Center of Lexington, LLC	Delaware
Surgery Center of Louisville, LLC	Delaware
Surgery Center of Maui, LLC	Delaware
Surgery Center of Muskogee, LLC	Delaware
Surgery Center of Rockville, L.L.C.	Maryland
Surgery Center of Southern Pines, LLC	Delaware
Surgery Center of Spokane, LLC	Delaware
Surgery Center of Summerlin, LLC	Delaware
Surgery Center of The Woodlands, LLC	Texas
Surgery Center of Vero Beach, Inc.	Tennessee
Surgery Center of Wilmington Properties, LLC	North Carolina

Surgery Center of Wilmington, LLC	North Carolina
Surgery Center of Wilson, LLC	North Carolina
Surgery Centers of Des Moines, Ltd., an Iowa Limited Partnership	Iowa
Surgery Centers-West Holdings, LLC	Delaware
Surgical Care Affiliates Political Action Committee	Alabama
Surgical Care Affiliates, LLC	Delaware
Surgical Care Partners of Melbourne, LLC	Delaware
Surgical Center of South Jersey, Limited Partnership	New Jersey
Surgical Center of Tuscaloosa Holdings, LLC	Alabama
Surgical Health of Orlando, Inc.	Florida
Surgical Health, LLC	Delaware
Surgical Hospital Holdings of Oklahoma, LLC	Delaware
Surgical Hospital of Oklahoma, L.L.C.	Oklahoma
Surgicare of Belleville, LLC	Delaware
Surgicare of Jackson, LLC	Delaware
Surgicare of Joliet, Inc.	Illinois
Surgicare of La Veta, Inc.	California
Surgicare of La Veta, Ltd., a California Limited Partnership	California
Surgicare of Minneapolis, LLC	Delaware
Surgicare of Mobile, LLC	Delaware
Surgicare of Oceanside, Inc.	California
Surgicare of Owensboro, LLC	Delaware
Surgicare of Salem, LLC	Delaware
Surgicare, LLC	Indiana
Surgicenters of Southern California, Inc.	California
Symphonix Health Holdings, LLC	Delaware
Symphonix Health Insurance, Inc.	Illinois
TeamMD Holdings, Inc.	Delaware
TeamMD Iowa, Inc.	Delaware
TeamMD Physicians of Texas, Inc.	Texas
Tecnologías de Información en Salud S.A.	Chile
The Advisory Board (Chile) SpA	Chile
The Advisory Board Company	Delaware	The Delaware Advisory Board Company
The Lewin Group, Inc.	North Carolina	Lewin
The Outpatient Surgery Center of Hilton Head, LLC	South Carolina
The Surgery Center of Easton, L.P.	Tennessee
THE SURGICAL CENTER OF THE TREASURE COAST, L.L.C.	Florida
Thomas Johnson Surgery Center, LLC	Maryland
Thousand Oaks Endoscopy Center, LLC	California
Three Rivers Holdings, Inc.	Delaware
Three Rivers Surgical Care, L.P.	Tennessee
Tmesys, LLC	Florida
Topimagem Diagnóstico por Imagem Ltda.	Brazil
Trails Edge Surgery Center, LLC	Florida

Travel Express Incorporated	Maryland
TriMed, LLC	Utah
Trio Motion, LLC	Delaware
Tucson Arizona Surgical Center, LLC	Arizona
U.S. Behavioral Health Plan, California	California	OptumHealth Behavioral Solutions of California
UHC Finance (Ireland) Unlimited Company	Dublin
UHC Global Health Services BC Ltd.	British Columbia
UHC International Services, Inc.	Delaware
UHC of California	California	PacifiCare PacifiCare of California Secure Horizons UnitedHealthcare of California
UHCFI LLC	Delaware
UHCG – FZE	Dubai
UHCG Holdings (Ireland) Limited	Ireland
UHCG Services (Ireland) Limited	Ireland
UHG Brasil Participações S.A.	Brazil
UHIC Holdings, Inc.	Delaware
UMR, Inc.	Delaware	Fiserv Health - Wausau Benefits UMR
Unidad Médica Diagnóstico S.A.	Colombia
Unimerica Insurance Company	Wisconsin	Unimerica Life Insurance Company
Unimerica Life Insurance Company of New York	New York
Unison Administrative Services, LLC	Pennsylvania
Unison Health Plan of Delaware, Inc.	Delaware	UnitedHealthcare Community Plan
United Behavioral Health	California	Life Strategies Optum Idaho OptumHealth Behavioral Solutions Plan 21, Incorporated Plan 21, INCORPORATED United Behavioral Health (Inc.) United Behavioral Health, Inc.
United Behavioral Health of New York, I.P.A., Inc.	New York
United Health Foundation	Minnesota	United Health Hospice Foundation
United HealthCare Services, Inc.	Minnesota	AmeriChoice Center for Health Care Policy and Evaluation EverCare Health Professionals Review Healthmarc HealthPro Institute for Human Resources Optum UHC Management Company UHC Management Company, Inc. United HealthCare Corporation United HealthCare Management Company, Inc. United HealthCare Management Services United HealthCare Services of Minnesota United HealthCare Services of Minnesota, Inc. United Resource Networks United Resource Networks, Inc. UnitedHealthcare MedicareStore
United Resource Networks IPA of New York, Inc.	New York

UnitedHealth Advisors, LLC	Maine	UnitedHealthcare
UnitedHealth Group Incorporated	Delaware	UnitedHealth Group
UnitedHealth Group International Finance (Ireland) Unlimited Company	Ireland
UnitedHealth Group International GP	Grand Cayman
UnitedHealth Group International L.P.	Grand Cayman
UnitedHealth International, Inc.	Delaware
UnitedHealth Military & Veterans Services, LLC	Delaware
UnitedHealth UK Limited	United Kingdom
UnitedHealthcare Benefits of Texas, Inc.	Texas	PacifiCare Secure Horizons
UnitedHealthcare Benefits Plan of California	California
UnitedHealthcare Children's Foundation, Inc.	Maryland
UnitedHealthcare Community Plan of California, Inc.	California
UnitedHealthcare Community Plan of Georgia, Inc.	Georgia
UnitedHealthcare Community Plan of Ohio, Inc.	Ohio
UnitedHealthcare Community Plan of Texas, L.L.C.	Texas	United Healthcare - Texas UnitedHealthcare Comminity Plan
UnitedHealthcare Community Plan, Inc.	Michigan
UnitedHealthcare Consulting & Assistance Service (Beijing) Co., Ltd.	China
UnitedHealthcare Europe S.á r.l.	Luxembourg
UnitedHealthcare Global Canada Limited	Alberta	UnitedHealthcare Global
UnitedHealthcare Global Medical (UK) Limited	United Kingdom
UnitedHealthcare India Private Limited	India
UnitedHealthcare Insurance Company	Connecticut	UnitedHealthcare Community Plan UnitedHealthOne
UnitedHealthcare Insurance Company of Illinois	Illinois
UnitedHealthcare Insurance Company of New York	New York
UnitedHealthcare Insurance Company of the River Valley	Illinois
UnitedHealthcare Insurance Designated Activity Company	Ireland
UnitedHealthcare Integrated Services, Inc.	Arizona	UnitedHealthcare Community Plan
UnitedHealthcare International Asia, LLC	Delaware
UnitedHealthcare International I B.V.	Netherlands
UnitedHealthcare International II S.á r.l.	Luxembourg
UnitedHealthcare International III B.V.	Netherlands
UnitedHealthcare International III S.á r.l.	Luxembourg
UnitedHealthcare International IV B.V.	Netherlands
UnitedHealthcare International IV S.á r.l.	Luxembourg
UnitedHealthcare International VI S.à r.l.	Luxembourg
UnitedHealthcare International VII S.à r.l.	Luxembourg
UnitedHealthcare International VIII S.à r.l.	Luxembourg
UnitedHealthcare International X S.à r.l.	Luxembourg
UnitedHealthcare Life Insurance Company	Wisconsin	UnitedHealthOne
UnitedHealthcare of Alabama, Inc.	Alabama
UnitedHealthcare of Arizona, Inc.	Arizona
UnitedHealthcare of Arkansas, Inc.	Arkansas	Complete Health

UnitedHealthcare of Colorado, Inc.	Colorado	MetraHealth Care Plan
UnitedHealthcare of Florida, Inc.	Florida	Community and State Plan of Florida UnitedHealthcare Community Plan UnitedHealthcare Community Plan of Florida
UnitedHealthcare of Georgia, Inc.	Georgia	United HealthCare of Georgia
UnitedHealthcare of Illinois, Inc.	Illinois
UnitedHealthcare of Kentucky, Ltd.	Kentucky	United HealthCare of Kentucky, L.P.
UnitedHealthcare of Louisiana, Inc.	Louisiana	UnitedHealthcare Community Plan
UnitedHealthcare of Mississippi, Inc.	Mississippi
UnitedHealthcare of New England, Inc.	Rhode Island
UnitedHealthcare of New Mexico, Inc.	New Mexico
UnitedHealthcare of New York, Inc.	New York	UnitedHealthcare Community Plan
UnitedHealthcare of North Carolina, Inc.	North Carolina
UnitedHealthcare of Ohio, Inc.	Ohio
UnitedHealthcare of Oklahoma, Inc.	Oklahoma	PacifiCare PacifiCare Health Options PacifiCare of Oklahoma Secure Horizons
UnitedHealthcare of Oregon, Inc.	Oregon
UnitedHealthcare of Pennsylvania, Inc.	Pennsylvania	UnitedHealthcare Community Plan UnitedHealthcare Community Plan for Families UnitedHealthcare Community Plan for Kids UnitedHealthcare Community Plan of Pennsylvania UnitedHealthcare Dual Complete
UnitedHealthcare of Texas, Inc.	Texas
UnitedHealthcare of the Mid-Atlantic, Inc.	Maryland
UnitedHealthcare of the Midlands, Inc.	Nebraska
UnitedHealthcare of the Midwest, Inc.	Missouri
UnitedHealthcare of Utah, Inc.	Utah	UnitedHealthcare of Idaho, Inc.
UnitedHealthcare of Washington, Inc.	Washington	PacifiCare Secure Horizons UnitedHealthcare UnitedHealthcare Community Plan
UnitedHealthcare of Wisconsin, Inc.	Wisconsin	UnitedHealthcare of Wisconsin - Personal Care Plus
UnitedHealthcare Plan of the River Valley, Inc.	Illinois
UnitedHealthcare Service LLC	Delaware
UnitedHealthcare Services Company of the River Valley, Inc.	Delaware
UnitedHealthcare Specialty Benefits, LLC	Maine	UnitedHealthcare Specialty Benefits WorkUp, LLC
UnitedHealthcare, Inc.	Delaware
UpFront Insurance Agency, LLC	Minnesota
Upland Holdings, LLC	California
Upland Outpatient Surgical Center, L.P.	California
Urgent Care Holdings, Inc.	Delaware
Urgent Care MSO, LLC	Delaware
Urology Associates of North Texas, P.L.L.C.	Texas
USMD Administrative Services, L.L.C.	Texas

USMD Affiliated Services	Texas	USMD Physician Services
USMD Holdings, Inc.	Delaware
USMD Inc.	Texas
USMD PPM, LLC	Texas
Valley Hospital, L.L.C.	Washington
Valley Physicians Network, Inc.	California
VERTA MANAGEMENT SERVICES, LLC	Delaware
Vida Tres Internacional S.A.	Chile
Vidaintegra S.A.	Chile
Virtual Therapeutics Corporation	Delaware
Wauwatosa Outpatient Surgery Center, LLC	Delaware
Wauwatosa Surgery Center, Limited Partnership	Wisconsin
Wayland Square Surgicare Acquisition, L.P.	Rhode Island
Wayland Square Surgicare GP, Inc.	Rhode Island
WebInsure Benefits, LLC	Delaware
WellMed Medical Management of Florida, Inc.	Florida	Preferred Care Partners Medical Group of Hialeah Preferred Care Partners Medical Group of Little Havana Preferred Care Partners Medical Group of Red Road Preferred Care Partners Medical Group of West Hialeah Preferred Care Partners Medical Group of Westchester WellMed at 9th Ave. North WellMed at Bartow WellMed at Downtown Clearwater WellMed at Fort Pierce WellMed at Haines City WellMed at Haverford Ave. WellMed at Lake Copeland WellMed at Longwood WellMed at Oak Commons WellMed at Plant City - Family Practice Center WellMed at Port St. Lucie West WellMed at Saint Isabel WellMed at SE Lakeland WellMed at Sebastian WellMed at South Parsons WellMed at South Stuart WellMed at Southwest Orlando WellMed at Stonerock Lake WellMed Medical Group
WellMed Medical Management, Inc.	Texas	DataRaps, Inc. HealthRight / ITC Rosa Verde Silver Life Fitness
WellMed Networks - DFW, Inc.	Texas	WNI-DFW
West Coast Endoscopy Holdings, LLC	Delaware
Western Connecticut Orthopedic Surgical Center, LLC	Connecticut
WESTMED Practice Partners LLC	Delaware
WillowB Labs LLC	Delaware
Wilmington ASC, LLC	North Carolina
Winchester Endoscopy, LLC	Illinois
Winter Park, LLC	Tennessee
XLHealth Corporation	Maryland	XLHealth

XLHealth Corporation India Private Limited	India
Your Health Options Insurance Services, Inc.	California