Accountable Aetna Alliance American Care Source BC/BS Blue Traditional BC/BS Blue Choice PPO BC/BS Blue Preferred BC/BS General Motors BC/BS Plan 65 Select BC/BS WC for Blue Choice BD/BS WC for Blue Preferred Beechstreet Blue Lines HMO* CappCare/Beechstreet ChoiceCare Community Care Oklahoma* Plico Coordinated Care Solutions (Multiplan, Guardian) Corvel Department of Rehabilitation Focus Healthcare Mgmt. Genex Great West Healthcare Oklahoma HealthChoice Humana PPO

Indian Health Administrators Kemper Medicare MetraComp OKDepartment of Rehab One Health Plans, Inc. (First Health) Pacificare* Perfect Harmony Physician's Inc. Preferred Care Oklahoma (Sooner Health Plan EPO & PPO) Preferred Community Choice Private Health Care Systems (PHCS) PPOklahoma PROklahoma Secure Horizons (FMCT)* Sooner PPO Sooner WC Texas WC Travelers Managed Care Tricare United Health Care USA Health Network US Department of Labor Workcare Oklahoma

* Requires Prior Authorization From Patient's PCP.