United HealthCare of all states
Blue Cross of Washington - Premera
Blue Cross and Blue Shield of Alaska/Premera
AARP Medicare Complete by SecureHorizons
AARP Medicare Supplement/Fixed Indemnity by UHC
AARP MedicareComplete through UnitedHealthcare
ACS Benefit Services, Inc.
Administrative Concepts, Inc.
Administrative Services, Inc.
Advantage by Buckeye - ELIGIBILITY ONLY
Advantage by Buckeye Community - ELIGIBILITY ONLY
Aetna Better Health - Kansas
Aetna Better Health of Florida
Aetna Better Health of Illinois
Aetna Better Health of Kentucky
Aetna Better Health of Louisiana
Aetna Better Health of Michigan
Aetna Better Health of New Jersey
Aetna Better Health of Ohio
Aetna Better Health of Pennsylvania Medicaid
Aetna Better Health of Texas
Aetna Better Health of Virginia
Aetna Better Health of West Virginia
Aetna Senior Supplemental
All Savers Insurance (UnitedHealthOne)
Allegiance Benefit Plan Management
Americaid Community Care (Maryland)
American Medical Security, Inc (UnitedHealthOne)
American Postal Workers Union APWU
AmeriChoice of Pennsylvania Care Plus Medicare
AmeriChoice of Pennsylvania
Amerigroup Community Care of NJ
Amerigroup Corporation (Dallas/Ft Worth)
Amerigroup Kansas - Kancare Program
Amerigroup/Americaid / Fort Worth, TX
Amerigroup/Americaid / Houston, TX
Amerihealth Administrators, Inc.
AmeriHealth Caritas Louisiana formerly LACare
Amerihealth Caritas Northeast
AmeriHealth Caritas Pennsylvania
Arcadian Management Services, Inc.
Automated Benefit Services
Beacon Health Strategies - Humana Care Source KY
Benefit Management Inc., Joplin, MO
Blue Cross and Blue Shield of Arizona
Blue Cross and Blue Shield of Arizona
Blue Cross and Blue Shield of Georgia
Blue Cross and Blue Shield of Maine
Blue Cross and Blue Shield of New Hampshire
Blue Cross and Blue Shield of Oregon - Regence
Blue Cross and Blue Shield of South Carolina
Blue Cross and Blue Shield of South Dakota
Blue Cross and Blue Shield Preferred Health SC
Blue Cross and Blue Shield South Carolina FEP
Blue Cross Blue Shield State Employees - SC Health
Blue Cross Community Options
Blue Cross Medicare Advantage
Blue Shield of California
Blue Shield of Idaho - Regence
Blue Shield of Washington - Regence
BlueChoice Healthcare formerly Companion Healthcare
Boon-Chapman Administrators Inc.
Cenpatico Behavioral Health - South Carolina
Children's Community Health Plan
Cigna Healthcare for Seniors - Arizona Medicare
Cigna Healthspring formerly Bravo Health
Cigna HealthSpring of Alabama
Cigna HealthSpring of Texas
ClaimsBridge High Performance Network
Community Health Plan of Washington
Connecticut General (CIGNA)
Cook County Health Hospital
Corporate Benefits Services, Inc.
Denver Health Medical Plan
DGA - Diversified Group Administrators
National Association Letter Carriers
Employee Benefit Management Services, Inc (EBMS)
Employee Benefit Management Services, Inc. (EBMS)
Gallagher Benefit Administrators
Golden Rule Insurance Company
Great American Life - Medicare Supplement
Harmony Health Plan of Illinois
Health Management Administrators - HMA
Healthgram formerly Primary PhysicianCare, Inc.
HealthScope Benefits aka EHC
HealthShare of Oregon CCOE
Inland Empire Health Plan
Kaiser Foundation Health Mid-Atlantic States
Kaiser Foundation Health Plan of Southern CA
Kaiser Permanente CO except Colorado Springs
Keystone First formerly Keystone Mercy
Lifewise Health Plan of Washington
Louisiana Healthcare Connections
Managed Health Services IN/Maxicare
Meridian Health Plan of Illinois
Metropolitan Health Plan aka Hennepin Health
Molina Health Care - Washington Providers
Molina Healthcare of Illinois
Molina Healthcare of Michigan
Molina Healthcare of Ohio
Molina Healthcare of Texas
Molina Healthcare of Wisconsin formerly Abri
Municipal Health Benefit Fund
Neighborhood Health Partnership of Florida
NGS American (CoreSource)
Nippon Life Insurance Co.
Nova Healthcare Administrators, Inc.
PacifiCare Individual Business (UnitedHealthOne)
Partnership Health Plan of CA Elig only
Partnership Health Plan of California
Passport Health Plan - DOS Prior to 10/1/2017
Peach State Health Plan GA
Preferred Blue South Carolina
San Francisco Health Plan
SelectHealth - formerly Intermountain Health Care
Simply Healthcare (Medicaid)
SRC-Aetna Affordable Health Plans
TML Intergovernmental Employee Benefits
UnitedHealthcare Community Plan
Vantage Health Plan, Inc.
Veterans Administration Fee Basis Program
Western and Southern Financial Group