OneCare (HMO SNP)

How to Enroll

Do you want to sign up for OneCare?

We make it easy.

Enrolling in OneCare (HMO SNP) is simple and easy! You can download an enrollment form in English, Spanish or Vietnamese and mail it to the address below. For more information, please call OneCare Customer Service at the numbers below.

We are open Monday through Friday from 8 a.m. – 5 p.m., and closed certain holidays. To sign up for OneCare call 1-800-960-9070. TDD/TTY users can call toll-free at 1-800-735-2929.

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Enrollment Form Download PDF Icon Print this application, to apply for OneCare and mail it to:

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

Contact Us
Visit Us
New OneCare Members
Pharmacy

To file a complaint with Medicare, click on the following link to complete a complaint form on the Medicare website: Medicare Complaint Form.

H5433_20WEB001_2020_A Accepted 9/29/19

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