California Sharp® SecureHorizons® Plan by UnitedHealthcare®

The Sharp SecureHorizons Plan by UnitedHealthcare is a Medicare Advantage health maintenance organization (HMO) plan that includes benefits in addition to those covered under Original Medicare, including Part D prescription drug coverage.

This plan is available in San Diego County, California through a defined network of care providers. Specialist referrals are required with this plan.

Additional Medicare Advantage Plan Information

To learn more about the Medicare Advantage plans offered in your area, visit and enter your ZIP code.

Medicare Part D Information

To learn more about Medicare Part D prescription drug coverage or to access related forms, review the materials available on under Our Plans > Medicare Advantage Plans > What Do I Need to Know? > Medicare Advantage Plan Information and Forms.