Exhibit 21
US ONCOLOGY HOLDINGS, INC. AND US ONCOLOGY, INC.
Subsidiaries of the Registrant
(All are Delaware entities unless otherwise indicated)
US Oncology, Inc.
AccessMed Holdings, LLC
AccessMed, LLC
US Oncology Corporate, Inc.
AOR Real Estate, LLC
RMCC Cancer Center, LLC
AOR Management Company of Indiana, LLC
AOR Holding Company of Indiana, LLC
AOR of Indiana Management Partnership
AOR Management Company of Missouri, LLC
AOR Management Company of Arizona, LLC
AOR Management Company of Oklahoma, LLC
AOR Management Company of Pennsylvania, LLC
AOR Management Company of Virginia, LLC
AOR of Texas Management, LLC (1)
AORT Holding Company, Inc.
AOR Synthetic Real Estate, LLC
Physician Reliance Network, LLC
US Oncology Research, LLC (1)
Physician Reliance, LLC (1)
Iowa Pharmaceutical Services, LLC
New Mexico Pharmaceutical Services, LLC
North Carolina Pharmaceutical Services, LLC
SelectPlus Oncology, LLC
Nebraska Pharmaceutical Services, LLC
US Oncology Pharmaceutical Services, LLC
East Indy CC, LLC (2)
Greenville Radiation Care, Inc.
St. Louis Pharmaceutical Services, LLC
Texas Pharmaceutical Services, LLC
TOPS Pharmacy Services, Inc. (1)
Cancer Treatment Associates of Northeast Missouri, Ltd., LP
Southeast Texas Cancer Centers, LP (1)
AOR Real Estate of Greenville, LP
KCCC JV, LLC
Oregon Cancer Center, Ltd. (4)
Colorado Cancer Centers, L.L.C.
The Carroll County Cancer Center, LP (3)
MDH-USO Management Company, LP
MDH-USO General, LLC
Metropolitan Integrated Cancer Care, LCC
Pharmacy Holdings, LLC
US Oncology Specialty, LP
Oncology Rx Care Advantage, LP
Oncology Market Focus, LP
Oncology Today, LP
USON Insurance Company
USON Risk Retention Company, Inc.
US Oncology Reimbursement Solutions, LLC
(1) | Organized in the State of Texas |
(2) | Organized in the State of Indiana |
(3) | Organized in the State of Maryland |
(4) | Organized in the State of Oregon |