Exhibit 21  C=corporation;
CLS=company limited by shares; GP=general partnership; LLC=limited
liability company; LP=limited partnership; MC=medical corporation;
NP=non-profit corporation; PC=professional corporation; ULLC=unlimited
liability company  MAGELLAN HEALTH SERVICES, INC.  LIST OF SUBSIDIARIES  Entity Name:
  
  Jurisdiction
  of
  Domicile:
  
  Entity
  Type:Green Spring Health Services, Inc.
  
  Delaware
  
  CSubsidiaries:Advantage Behavioral Systems, Inc.
  
  Pennsylvania
  
  CAdvoCare of Tennessee, Inc.
  
  Tennessee
  
  CSubsidiary:Premier Holdings, LLC
  
  Tennessee
  
  LLCSubsidiary:Premier Behavioral Systems of Tennessee,
  LLC
  
  Tennessee
  
  LLCICORE Healthcare, LLC
  
  DelawareSubsidiary:ONCORE Healthcare, LLCMagellan Behavioral of Michigan, Inc.
  
  Michigan
  
  CMagellan Behavioral Health of New Jersey,
  LLC
  
  New Jersey
  
  LLCManaged Care Services Mainstay of Central
  Pennsylvania, Inc.
  
  Pennsylvania
  
  CMagellan Health Services of
  California, Inc.  Employer Services
  
  California
  
  CMagellan Behavioral Health, Inc.
  
  Delaware
  
  CSubsidiaries:Human Affairs International of
  California, Inc.
  
  California
  
  CMagellan Behavioral Health of
  Colorado, Inc.
  
  Colorado
  
  CMagellan Behavioral Health of
  Florida, Inc.
  
  Florida
  
  CSubsidiary:The Community Based Care Partnership, Ltd.
  
  FloridaMagellan Behavioral Health Systems, LLC
  
  Utah
  
  LLCSubsidiary:


Human Affairs International of
  Pennsylvania, Inc.
  
  Pennsylvania
  
  CMagellan Behavioral Health of Nebraska, LLC
  
  Nebraska
  
  LLCMagellan Health Services of Arizona, Inc.
  
  Arizona
  
  CMagellan CBHS Holdings, LLC
  
  Delaware
  
  LLCSubsidiaries:Charter Behavioral Health System of
  Dallas, Inc.
  
  Texas
  
  CCharter Behavioral Health System of
  Lafayette, Inc.
  
  Louisiana
  
  CSubsidiary:The Charter Cypress Behavioral Health
  System, L.L.C.
  
  Tennessee
  
  LLCCharter Behavioral Health System of Lake
  Charles, Inc.
  
  Louisiana
  
  CCharter Behavioral Health System of
  Massachusetts, Inc.
  
  Massachusetts
  
  CCharter Behavioral Health System of New
  Mexico, Inc.
  
  New Mexico
  
  CSubsidiary:The Charter Heights Behavioral Health
  System Limited Partnership
  
  Delaware
  
  LPCharter Fairmount Behavioral Health
  System, Inc.
  
  Pennsylvania
  
  CCharter Hospital of Santa Teresa, Inc.
  
  New Mexico
  
  CCharter Lakeside Behavioral Health
  Systems, Inc.
  
  Tennessee
  
  CCharter Medical of Puerto Rico, Inc.
  
  Puerto Rico
  
  CCharter MOB of Charlottesville, Inc.
  
  Virginia
  
  CSubsidiary:Mental Healthsource, L.L.C.
  
  Virginia
  
  LLCCharter North Star Behavioral Health
  System, L.L.C.
  
  Tennessee
  
  LLCCharter Northridge Behavioral Health
  System, Inc.
  
  North Carolina
  
  CSubsidiary:Holly Hill/Charter Behavioral Health
  System, L.L.C.
  
  Tennessee
  
  LLCPlymouth Insurance Company, Ltd.
  
  Bermuda
  
  CMBH of Puerto Rico, Inc.
  
  Puerto Rico
  
  CMerit Behavioral Care Corporation
  
  Delaware
  
  CSubsidiaries:AGCA, Inc.
  
  Pennsylvania
  
  CSubsidiary:AGCA New York, Inc.
  
  New York
  
  C


Subsidiary:U.S. IPA Providers, Inc.
  
  New York
  
  CArizona Biodyne, Inc.
  
  Arizona
  
  CMagellan HRSC, Inc.
  
  Ohio
  
  CMagellan Health Services of New
  Mexico, Inc.
  
  New Mexico
  
  CMerit Behavioral Care of
  Massachusetts, Inc.
  
  Massachusetts
  
  CSubsidiary:Magellan Behavioral Health of Connecticut,
  LLC
  
  Connecticut
  
  LLCMagellan Behavioral Health of
  Pennsylvania, Inc.
  
  Pennsylvania
  
  CCMG Health, Inc.
  
  Maryland
  
  CMontana Community Partners, Inc.
  
  Montana
  
  CContinuum Behavioral Care, LLC
  
  Rhode Island
  
  LLCContinuum Behavioral Healthcare Corporation
  
  Delaware
  
  CMagellan Behavioral Health Providers of
  Texas, Inc.
  
  Texas
  
  CMBC of America, Inc.
  
  Delaware
  
  CSubsidiary:Empire Community Delivery Systems, LLC
  
  New York
  
  LLCMBC of North Carolina, LLC
  
  North Carolina
  
  LLCMagellan Behavioral Care of Iowa, Inc.
  
  Iowa
  
  CMerit Health Insurance Company
  
  Illinois
  
  CSubsidiary:Magellan Life Insurance Company
  
  Delaware
  
  CPPC Group, Inc.
  
  Delaware
  
  CP.P.C., Inc.
  
  Missouri
  
  CSubsidiary:Personal Performance Consultants of New
  York, Inc.
  
  New York
  
  CNational Imaging Associates, Inc.
  
  DelawareSubsidiary:NIA IPA of New York, Inc.
  
  New YorkNational Imaging Associates of
  Pennsylvania, LLC
  
  Pennsylvania
  
  LLCTennessee Behavioral Health, Inc.
  
  Tennessee
  
  CMagellan Capital, Inc.
  
  Delaware
  
  LLC


Magellan Financial Capital, Inc.
  
  Nevada
  
  CMagellan Sub Co III, Inc.
  
  Florida
  
  C