Have Questions About Your Benefits?

Contact Member Services

Contact Member Services if you have questions about your benefits, coverage or claims. Our staff members speak Spanish, Tagalog and Chinese. We also use phone interpreters to assist members in over 200 other languages.

Member Services

Toll free: 1-800-750-4776
Local: 650-616-2133
TTY: 1-800-735-2929 or dial 7-1-1

Phone hours: Monday–Friday 8:00 a.m. to 6:00 p.m.
Office hours: Monday–Friday 8:00 a.m. to 4:00 p.m.
Email: CustomerSupport@hpsm.org

Email Member Services


Visit Us in Person

Health Plan of San Mateo
801 Gateway Blvd., Suite 100
South San Francisco, CA 94080 - map
Hours are 8:00 a.m. to 4:00 p.m. Monday though Friday

Members can drop by our office to speak with a Member Services Representative in-person. No appointment is necessary. To help us better assist you, bring your Member ID card with you. Visitors only need to wear masks during private appointments. We have masks on hand for those who do not have them. Other health and safety precautions are in place as well. Our office is ADA-compliant and wheelchair accessible.

For more information about visiting HPSM’s office, call the HPSM Reception Desk at 650-616-0050.

If you have questions about your drugs or pharmacy services

Call DHCS’s contractor Magellan at the Medi-Cal Rx Customer Service Center

Toll free: 1-800-977-2273

TTY: 7-1-1

Other Medi-Cal Contacts

Specialty medication orders and refills: 1-800-780-3584

American Sign Language (ASL)
Schedule an in-person interpreter: 1-800-735-2929

Behavioral Health and Recovery Services (BHRS)
ACCESS Call Center 1-800-686-0101

Health Coverage Unit
Medi-Cal eligibility and enrollment for children: 650-616-2002

San Mateo County Human Services Agency
Health Benefits Information line: 1-800-223-8383
Update your address or phone: 1-800-223-8383