How to Enroll

Enrolling in OneCare (HMO D-SNP), a Medicare Medi-Cal Plan, is simple and easy! You can download an enrollment form and mail it to the address below. For more information, please call OneCare Customer Service toll-free at 1-877-412-2734 (TTY 711), 24 hours a day, 7 days a week. We have staff who speak your language.

Medicare can be a bit confusing! If you have Medicare and Medi-Cal and live in Orange County, we’re here to help you understand how to get the most out of your benefits. To learn more, we invite you to a CalOptima Health OneCare (HMO D-SNP) presentation near you. Light refreshments will be served. Bring your questions and a friend who may also benefit from this information. To find a session near you, call 1-800-466-0524. If you need special accommodations at these presentations, please call toll-free at 1-800-466-0524 (TTY 711). We are here to help.

Print this application, to apply for OneCare and mail it to:

CalOptima Health
Attention: OneCare Customer Service
505 City Parkway West
Orange, CA 92868