Question about a claim?

Call Claims Services: 650-616-2056

Monday, Tuesday, Thursday, and Friday: 8:00 a.m. to 5:00 p.m.
(closed 12:00 p.m. to 1:00 p.m.)
Wednesday: 8:00 a.m. to 12:00 p.m.

Or write
Email confirmation delivered by next business day.

Member Eligibility

To check a member’s PCP assignment, and verify eligibility, providers should call HPSM’s 24-hour Automated Eligibility Verification System (AEVS) at 1-800-696-4776 and follow the automated instructions.

Member eligibility can also be checked via HPSM’s Provider Portal once a User ID and Password have been established. Please call 650-616-2106 for assistance.

Authorization Fax Numbers

HPSM has several direct fax lines dedicated to specific form submissions:

In-patient admissions with facesheet for all lines of business (including in-patient retros and corrections): 


In-patient admissions, clinicals only (without facesheet)


Out-patient retro authorizations and corrections


PCP referrals for Behavioral Health and Recovery Services


Pharmacy authorizations and modifications to formulary


CBAS and MSSP referrals, Care Coordination


When including clinicals:

  • Place the facesheet before any clinical information
  • Do not submit observation requests: observation status is direct billable
  • Do not submit requests for services delivered in the emergency room: these are direct billable