Exhibit 21 CHARTER MEDICAL CORPORATION SUBSIDIARY CORPORATIONS September 30, 1994 The following corporations are all of the direct or indirect subsidiary corporations of Charter Medical Corporation, a Delaware corporation. Charter Medical Corporation directly or indirectly owns all of the outstanding voting securities of such subsidiaries except where noted. State or Jurisdiction Name of Corporation: Of Incorporation Ambulatory Resources, Inc. Georgia Subsidiaries: Gwinnett Immediate Care Center, Inc. Georgia Holcomb Bridge Immediate Care Center, Inc. Georgia Atlanta MOB, Inc. Georgia Beltway Community Hospital, Inc. Texas C.A.C.O. Services, Inc. Ohio CCM, Inc. (1) Nevada Charter of Alabama, Inc. Alabama Charter Alvarado Behavioral Health System, Inc. California Charter Appalachian Hall Behavioral Health System, Inc. North Carolina Charter Arbor Indy Behavioral Health System, Inc. Indiana Charter Augusta Behavioral Health System, Inc. Georgia Charter Bay Harbor Behavioral Health System, Inc. Florida Charter Beacon Behavioral Health System, Inc. Indiana Charter Behavioral Health System of Athens, Inc. Georgia Charter Behavioral Health Systems of Atlanta, Inc. Georgia Charter Behavioral Health System of Austin, Inc. Texas Charter Behavioral Health System of Baywood, Inc. Texas Charter Behavioral Health System of Bradenton, Inc. Florida Subsidiary: Charter Behavioral Health System at Manatee Palms Therapeutic Group Home, Inc. Florida Charter Behavioral Health System of Canoga Park, Inc. California Charter Behavioral Health System of Central Georgia, Inc. Georgia Charter Behavioral Health System of Charleston, Inc. South Carolina Charter Behavioral Health System of Charlottesville, Inc. Virginia Charter Behavioral Health System of Chicago, Inc. Illinois Charter Behavioral Health System of Chula Vista, Inc. California Charter Behavioral Health System of Columbia, Inc. Missouri Charter Behavioral Health System of Corpus Christi, Inc. Texas Charter Behavioral Health System of Dallas, Inc. Texas Charter Behavioral Health System of Evansville, Inc. Indiana Charter Behavioral Health System at Fair Oaks, Inc. New Jersey Charter Behavioral Health System of Fort Worth, Inc. Texas Charter Behavioral Health System at Hidden Brook, Inc. Maryland State or Jurisdiction Name of Corporation: Of Incorporation Charter Behavioral Health System of Jackson, Inc. Mississippi Subsidiary: Charter Behavioral Health System of Mississippi, Inc. Mississippi Charter Behavioral Health System of Jacksonville, Inc. Florida Charter Behavioral Health System of Jefferson, Inc. Indiana Charter Behavioral Health System of Kansas City, Inc. Kansas Charter Behavioral Health System of Lafayette, Inc. Louisiana Charter Behavioral Health System of Lake Charles, Inc. Louisiana Charter Behavioral Health System of Lakewood, Inc. California Charter Behavioral Health System at Los Altos, Inc. California Charter Behavioral Health System of Michigan City, Inc. Indiana Charter Behavioral Health System of Mobile, Inc. Alabama Charter Behavioral Health System of Nashua, Inc. New Hampshire Charter Behavioral Health System of Nevada, Inc. Nevada Charter Behavioral Health System of New Mexico, Inc. New Mexico Charter Behavioral Health System of Northwest Arkansas, Inc. Arkansas Charter Behavioral Health System of Northwest Indiana, Inc. Indiana Charter Behavioral Health System of Paducah, Inc. Kentucky Charter Behavioral Health System at Potomac Ridge, Inc. Maryland Charter Behavioral Health System of Rockford, Inc. Illinois Charter Behavioral Health System of San Jose, Inc. California Charter Behavioral Health System of Southern California, Inc. California Charter Behavioral Health System of Tampa Bay, Inc. Florida Subsidiary: Tampa Bay Behavioral Health Alliance, Inc. Florida Charter Behavioral Health System of Texarkana, Inc. Arkansas Charter Behavioral Health System of Toledo, Inc. Ohio Charter Behavioral Health System of Tucson, Inc. Arizona Charter Behavioral Health System of Virginia Beach, Inc. Virginia Charter Behavioral Health System of Visalia, Inc. California Charter Behavioral Health System at Warwick Manor, Inc. Maryland Charter Behavioral Health System of Waverly, Inc. Minnesota Charter Behavioral Health System of Winston-Salem, Inc. North Carolina Charter Behavioral Health System of Yorba Linda, Inc. California Charter Brawner Behavioral Health System, Inc. Georgia Subsidiary: Charter Behavioral Health System of Savannah, Inc. Georgia Charter-By-The Sea Behavioral Health System, Inc. Georgia Charter Canyon Behavioral Health System, Inc. Utah Charter Canyon Springs Behavioral Health System, Inc. California Charter Centennial Peaks Behavioral Health System, Inc. Colorado Charter Colonial Institute, Inc. Virginia Charter Community Hospital, Inc. California Charter Community Hospital of Des Moines, Inc. Iowa Charter Contract Services, Inc. Georgia Charter Cove Forge Behavioral Health System, Inc. Pennsylvania Charter Crescent Pines Behavioral Health System, Inc. Georgia Charter Fairbridge Behavioral Health System, Inc. Maryland State or Jurisdiction Name of Corporation: Of Incorporation Charter Fairmount Behavioral Health System, Inc. Pennsylvania Charter Fenwick Hall Behavioral Health System, Inc. South Carolina Charter Financial Offices, Inc. Georgia Charter Forest Behavioral Health System, Inc. Louisiana Charter Grapevine Behavioral Health System, Inc. Texas Charter Greensboro Behavioral Health System, Inc. North Carolina Charter Health Management of Texas, Inc. Texas Charter Hospital of Columbus, Inc. Ohio Charter Hospital of Denver, Inc. Colorado Charter Hospital of Ft. Collins, Inc. Colorado Charter Hospital of Laredo, Inc. Texas Charter Hospital of Mobile, Inc. Alabama Charter Hospital of Northern New Jersey, Inc. New Jersey Charter Hospital of Santa Teresa, Inc. New Mexico Charter Hospital of St. Louis, Inc. Missouri Subsidiary: Charter Hospital of Miami, Inc. Florida Charter Hospital of Torrance, Inc. California Charter Indianapolis Behavioral Health System, Inc. Indiana Charter Lafayette Behavioral Health System, Inc. Indiana Charter Lakehurst Behavioral Health System, Inc. New Jersey Charter Lakeside Behavioral Health System, Inc. Tennessee Charter Laurel Heights Behavioral Health System, Inc. Georgia Charter Laurel Oaks Behavioral Health System, Inc. Florida Charter Linden Oaks Behavioral Health System, Inc. Illinois Charter Little Rock Behavioral Health System, Inc. Arkansas Charter Louisville Behavioral Health System, Inc. Kentucky Charter Meadows Behavioral Health System, Inc. Maryland Charter Medfield Behavioral Health System, Inc. Florida Charter Medical - California, Inc. Georgia Subsidiary: Charter Behavioral Health System of Northern California, Inc. California Charter Medical (Cayman Islands) Ltd. Cayman Islands Charter Medical - Clayton County, Inc. Georgia Charter Medical - Cleveland, Inc. Texas Subsidiaries: Charter Regional Medical Center, Inc. Texas Charter Medical - Dallas, Inc. Texas Charter Medical of East Valley, Inc. Arizona Charter Medical Executive Corporation Georgia Charter Medical of England Limited United Kingdom Charter Medical of Florida, Inc. Florida Charter Medical Information Services, Inc. Georgia Charter Medical International, Inc. Cayman Islands Charter Medical International, S.A., Inc. Nevada Subsidiary: Societe Anonyme De La Metairie Switzerland Charter Medical - Long Beach, Inc. California Charter Medical Management Company Georgia State or Jurisdiction Name of Corporation: Of Incorporation Charter Medical - New York, Inc. New York Charter Medical of North Phoenix, Inc. Arizona Charter Medical of Orange County, Inc. Florida Charter Medical of Puerto Rico, Inc. Commonwealth of Puerto Rico Charter Mental Health Options, Inc. Florida Charter Mid-South Behavioral Health System, Inc. Tennessee Charter Milwaukee Behavioral Health System, Inc. Wisconsin Charter Mission Viejo Behavioral Health System, Inc. California Charter MOB of Charlottesville, Inc. Virginia Charter North Behavioral Health System, Inc. Alaska Charter North Counseling Center, Inc. Alaska Charter Northbrooke Behavioral Health System, Inc. Wisconsin Charter Northridge Behavioral Health System, Inc. North Carolina Charter Northside Hospital, Inc. Georgia Charter Oak Behavioral Health System, Inc. California Charter Palms Behavioral Health System, Inc. Texas Charter Peachford Behavioral Health System, Inc. Georgia Charter Pines Behavioral Health System, Inc. North Carolina Charter Plains Behavioral Health System, Inc. Texas Charter - Provo School, Inc. Utah Charter Psychiatric Hospitals, Inc. Delaware Charter Real Behavioral Health System, Inc. Texas Charter Richmond Behavioral Health System, Inc. Virginia Charter Ridge Behavioral Health System, Inc. Kentucky Charter Rivers Behavioral Health System, Inc. South Carolina Charter San Diego Behavioral Health System, Inc. California Charter Serenity Lodge Behavioral Health System, Inc. Virginia Charter Sioux Falls Behavioral Health System, Inc. South Dakota Charter South Bend Behavioral Health System, Inc. Indiana Charter Springs Behavioral Health System, Inc. Florida Charter Springwood Behavioral Health System, Inc. Virginia Charter Suburban Hospital of Mesquite, Inc. Texas Charter Terre Haute Behavioral Health System, Inc. Indiana Charter Thousand Oaks Behavioral Health System, Inc. California Charter Tidewater Behavioral Health System, Inc. Virginia Charterton/LaGrange, Inc. Kentucky Charter Treatment Center Of Michigan, Inc. Michigan Charter Westbrook Behavioral Health System, Inc. Virginia Subsidiary: CPS Associates, Inc. Virginia Charter White Oak Behavioral Health System, Inc. Maryland Charter Wichita Behavioral Health System, Inc. Kansas Charter Woods Behavioral Health System, Inc. Alabama Subsidiary: Charter Woods Hospital, Inc. Alabama CMSF, Inc. Florida Desert Springs Hospital, Inc. Nevada Subsidiary: CMCI, Inc. Nevada CMFC, Inc. Nevada State or Jurisdiction Name of Corporation: Of Incorporation Employee Assistance Services, Inc. Georgia Florida Health Facilities, Inc. Florida Golden Isle Assurance Company Ltd. Bermuda Group Practice Affiliates, Inc. Delaware Subsidiaries: GPA NovaPsy Clinic, Inc. Virginia GPA Management of Virginia, Inc. (2) Virginia GPA Pennsylvania, Inc. Pennsylvania Gulf Coast EAP Services, Inc. Alabama HCS, Inc. Georgia Hospital Investors, Inc. Georgia Mandarin Meadows, Inc. Florida Metroplex Behavioral Healthcare Services, Inc. Texas Metropolitan Hospital, Inc. Georgia Middle Georgia Hospital, Inc. Georgia NEPA - Massachusetts, Inc. Massachusetts NEPA - New Hampshire, Inc. New Hampshire Pacific - Charter Medical, Inc. California Subsidiary: Charter Behavioral Health System of the Inland Empire, Inc. California Peachford Professional Network, Inc. Georgia Plymouth Insurance Company, Ltd. Bermuda Rivoli, Inc. Georgia Schizophrenia Treatment and Rehabilitation, Inc. Georgia Shallowford Community Hospital, Inc. Georgia Sistemas De Terapia Respiratoria S.A., Inc. Georgia Strategic Advantage, Inc. Minnesota Stuart Circle Hospital Corporation Virginia Western Behavioral Systems, Inc. California (1) 50% owned by Charter Medical Corporation; 50% owned by CMCI, Inc., a subsidiary of Desert Springs Hospital, Inc. (2) 90% owned by Group Practice Affiliates, Inc.