| Highmark Choice Company (fka Keystone Health Plan West) | 800-547-9378 |
| Keystone First Health Plan (fka Keystone Mercy Health Plan) | 800-521-6860 |
| Keystone Health Plan Central, Inc. | 800-669-7061 |
| Keystone Health Plan East, Inc. | 888-671-5276 |
| United HealthCare Insurance | 860-702-5000 |
| UnitedHealthcare Community Plan of Pennsylvania | 800-414-9025 |
| UPMC Health Plan, Inc./UPMC for You, Inc. | 800-876-2756 |