DentalMedical
Health Plan of San Mateo Payer ID
Payer IDHPSM1
Payer details
- Payer ID
- HPSM1
- Other payer IDs
- 12X74, 4292, 5678, 10362, HPOSM, HPSM1MA, SX174
- Coverage types
- Dental, Medical
- Programs
- Medicare, Medicaid
- Payer website
- hpsm.org
Other names
- Care Advantage
- HPSM
Where it operates
California
What You Can Check With Health Plan of San Mateo
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Service Type Code LookupPayer details updated Oct 18, 2026. Payers change IDs and plan names; when in doubt, use the ID on the member's card.
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