CareAdvantage Dual Eligible Special Needs Plan (D-SNP) 2023

Contact the CareAdvantage Unit

Contact the CareAdvantage Unit if you have questions about your benefits, coverage or claims. For information about enrollment or eligibility, call a licensed CareAdvantage Medicare Specialist. Our staff members speak Spanish, Tagalog, Chinese, and Russian. In addition, we use phone interpreters to assist members in other languages.

CareAdvantage Unit

Toll free: 1-866-880-0606
Local: 650-616-2174
TTY: 1-800-735-2929 or dial 7-1-1

Monday–Sunday 8:00 a.m. to 8:00 p.m.

Email: CustomerSupport@hpsm.org

Eligibility & Enrollment Assistance

For information, call a licensed CareAdvantage Medicare Specialist

Toll free: 1-888-252-3153 Local: 650-616-1500

TTY: 1-800-735-2929 or dial 7-1-1

Hours: Monday–Friday 9:00 a.m. to 6:00 p.m.

Visit Us in Person

For the safety of all HPSM members and employees, and to comply with public health guidelines, our office is closed for in-person meetings during the COVID-19 pandemic. However, HPSM is committed to serving your needs during this crisis.

New address or contact information?

If you move and/or change your contact information (phone number, email), you must tell both HPSM and either the San Mateo County Human Services Agency at 1-800-223-8383 or Social Security Administration at 1-800-772-1213. This will ensure that you continue to get important information about your Medi-Cal coverage status.

To report your new information with HPSM, you can log in to the Member Portal or call the number below if you need assistance.

Log in to the Member Portal


CareAdvantage Dual Eligible Special Needs Plan (D-SNP) is a health plan that contracts with both Medicare and Medi-Cal to provide benefits of both programs to enrollees. Limitations and restrictions may apply. For more information, call the CareAdvantage Unit or read the CareAdvantage 2023 Member Handbook.

Benefits and co-pays may change on January 1 of each year.

If you speak other languages other than English, language assistance services, free of charge, are available to you. Call 1-866-880-0606 (TTY: 1-800-735-2929 or dial 7-1-1). ( Download this statement in multiple languages.)

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Page updated October 1, 2022