Have Questions About Your Benefits?
Contact Member Services
Contact us for personal assistance with your benefits or if you have concerns. Our staff members speak Spanish, Tagalog and Chinese. We also use phone interpreters to assist members in over 200 other languages.
Toll free: 1-800-750-4776
TTY: 1-800-735-2929 or dial 7-1-1
Monday–Friday 8:00 a.m. to 6:00 p.m.
Email Member Services
Visit Us in Person
Drop by our office to speak face-to-face with a Member Services Representative. No appointment is necessary. To help us better assist you, please bring your HPSM member ID card with you.
Health Plan of San Mateo
801 Gateway Blvd., Suite 100
South San Francisco, CA 94080
We are available Monday–Friday 8:00 a.m. to 5:00 p.m.
Our office is ADA-compliant and wheelchair accessible.
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
Medi-Cal dental services and costs: 1-800-322-6384 or visit denti-cal.ca.gov
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