Exhibit 21  MAGELLAN
HEALTH SERVICES, INC. LIST OF
SUBSIDIARIES  Entity
  Name:
  
  Jurisdiction of
  Domicile:
  
  Entity
  Type:Green Spring Health
  Services, Inc.
  
  Delaware
  
  CSubsidiaries:AdvoCare
  of Tennessee, Inc.
  
  Tennessee
  
  CSubsidiary:Premier
  Holdings, LLC
  
  Tennessee
  
  LLCSubsidiary:Premier
  Behavioral Systems of Tennessee, LLC
  
  Tennessee
  
  LLCICORE
  Healthcare, LLC
  
  DelawareSubsidiary:ONCORE
  Healthcare, LLC
  
  DelawareMagellan
  Behavioral of Michigan, Inc.
  
  Michigan
  
  CMagellan
  Behavioral Health of New Jersey, LLC
  
  New Jersey
  
  LLCMagellan
  Health Services of California, Inc.  Employer Services
  
  California
  
  CMagellan Behavioral
  Health, Inc.
  
  Delaware
  
  CSubsidiaries:First
  Health Services Corporation
  
  Virginia
  
  CSubsidiaries:
  
  Canada
  
  CFirst
  Health Services of Florida, Inc.
  
  Florida
  
  CFirst
  Health Services of Montana, Inc.
  
  Montana
  
  CFHC, Inc.
  
  Canada
  
  CProvider
  Synergies, LLC
  
  Ohio
  
  LLCHuman
  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
  
  C


Magellan
  Behavioral Health of Nebraska, LLC
  
  Nebraska
  
  LLCMagellan
  Health Services of Arizona, Inc.
  
  Arizona
  
  CMagellan
  CBHS Holdings, LLC
  
  Delaware
  
  LLCSubsidiaries:Charter
  Behavioral Health System of Lafayette, Inc.
  
  Louisiana
  
  CSubsidiary:The
  Charter Cypress Behavioral Health System, L.L.C.
  
  Tennessee
  
  LLCCharter
  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
  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: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
  
  LLCNational
  Imaging of CA, Inc.
  
  California
  
  CTennessee
  Behavioral Health, Inc.
  
  Tennessee
  
  CMagellan
  Capital, Inc.
  
  Delaware
  
  LLCMagellan Financial
  Capital, Inc.
  
  Nevada
  
  CMagellan Sub Co
  III, Inc.
  
  Florida
  
  C