- Aetna
- Affiliated Health Funds
- AHCCCS
- American PPO
- Ancillary Care Services (ACS)
- Arizona Foundation
- Beech Street
- Blue Cross and Blue Shield
- Cigna
- City of Phoenix
- Clarispointe, Inc
- CMDP
- Costalcomp Corvel/Corcare
- DDD
- Evolutions Healthcare First
- Fortified Provider Network
- Galaxy Health Network
- Global Medical Management
- Golden Rule
- Healthchoice
- Health Management Network
- Health Net
- Healthsmart
| - Health/CCN/Coventry
- Humana
- Independent Medical Systems
- Integrated Health Plan (IHP)
- Marriott Arizona
- Multiplan/BCE
- National Choicecare, Inc
- National Preferred Provider Network (NPPN)
- Network Synergy Group (NSG)
- Preferred QSP
- Prime Health Services, Inc
- Private Healthcare Systems (PHCS)
- Procura Management
- Provider Select, Inc
- Rockport Healthcare
- Southwest Carpenters
- The Reny Company
- Therapy Direct
- Three Rivers Provider Network
- Tricare
- Union Pacific RR Employees Health Systems
- United Healthcare
- USA Managed Care Organization
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