Medical groups in San Mateo, CA
- Medical groups
- 32
- Multi-specialty
- 8
- Single-specialty
- 24
- More than one site
- 16
- 100+ physicians
- 1
There are 32 medical groups in San Mateo with a Medicare PAC ID. San Mateo Medical Center is the largest, with 457 California physicians, followed by Caminar with 9. 78% of San Mateo groups are independent.
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San Mateo Medical Center is the largest medical group in San Mateo, with 457 physicians
Ranked by physicians with a California address linked to each group based in San Mateo. Caminar is second with 9, and ReMeDy Medical Group third with 7. 1 San Mateo group has 100 or more physicians.
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Sort and filter all 32 San Mateo medical groups by specialty, parent organization, group size, EHR in use and decision makers in Dmand AI.
Showing 1 to 10 of 32 medical groups in San Mateo
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Vynca has the most physicians in San Mateo medical groups, with 2 across 2 groups
Dmand AI maps every San Mateo medical group to its parent organization, up to the health system or platform at the top. 1 parent organizations have two or more San Mateo medical groups. Each clinician counts once per parent organization.
See every medical group, site and clinician under Vynca
Org Hierarchy Explorer maps every group, site of care and clinician under the parent, with the leaders at each group.
Source: Dmand AI Org Hierarchy Data
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Dmand AI maps the owners, administrators and physician leaders at each of the 32 San Mateo medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
78% of San Mateo medical groups are independent, with no larger parent organization
A group counts as independent when no health system, platform or other organization sits above it in the org hierarchy. Every other group belongs to a larger organization.
San Mateo medical groups by ownership
- Independent25
- Health system or hospital1
- Community or government2
- Other organization4
Source: Dmand AI Org Hierarchy Data
4 San Mateo medical groups practice at a hospital site
Beyond their own offices, groups practice at the sites of care linked to them in the org hierarchy. A group can practice at several kinds of site, so the shares overlap.
San Mateo medical groups by site of care
- Hospitals4
- Behavioral health facilities3
- FQHCs1
- Hospices1
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Primary care groups are the most common medical groups in San Mateo, with 10
Each group is counted once, under its main specialty. Eye care groups are second, with 8, and 8 San Mateo groups are multi-specialty.
- Primary care10
- Eye care8
- Behavioral and mental health4
- Rehabilitation and therapy3
- ENT and audiology2
- Rheumatology, allergy and immunology2
- Anesthesia and pain1
- Chiropractic1
- Orthopedics and sports medicine1
Source: Dmand AI Professional Profile Data
894 California HCPs work in San Mateo medical groups, 527 of them physicians
Each clinician is counted once, across every San Mateo group they are linked to. Only clinicians with a California address are counted.
HCPs in San Mateo medical groups by type
- Physicians (MD, DO)527
- Nurses and nurse practitioners121
- Behavioral health clinicians116
- Optometrists and opticians38
- Non-clinical and support staff19
- Other HCPs73
Source: Dmand AI Affiliation Data
Each San Mateo medical group profile shows the parent, sites, clinicians and identifiers
- Clinicians and specialtiesA count by specialty and a sample of the group's cliniciansOn every profile
- Practice locationsMain site and a sample of practice locations, with a count of the restOn every profile
- Medicare Part B paymentsMedicare payments to the group, from CMSOn every profile
- Group NPI and Medicare PAC IDIdentifiers for matching records across sourcesOn every profile
- Parent organizationThe health system, platform or owner above the groupOn every profile
- Every clinician and siteThe full roster and every practice locationWith a free account
- Leader and clinician contactsWork emails and mobile numbers, found on request and then validatedWith a free account
- EHR used by the group's cliniciansThe EHR in use at the group's sitesWith a free account
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Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data
Sources for the San Mateo medical group directory
| Data on this page | Source |
|---|---|
| Medical groups, specialties and sites | Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Professional Profile Data |
| Parent organizations and independence | Dmand AI Org Hierarchy Data |
| Physicians and HCPs | Dmand AI Affiliation Data |
| Group NPI and PAC ID | NPPES NPI Registry (CMS) and Doctors and Clinicians National Downloadable File (CMS) |
Data last refreshed October 2026Report an inaccuracyRemove my information
The directory lists groups based in San Mateo with a Medicare PAC ID.
FAQ
Frequently asked questions about medical groups in San Mateo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many medical groups are in San Mateo?
There are 32 medical groups based in San Mateo with a Medicare PAC ID: 8 multi-specialty and 24 single-specialty. 16 of them have more than one site.
What is the largest medical group in San Mateo?
San Mateo Medical Center, with 457 physicians and 692 HCPs with a California address. Caminar is second with 9, and ReMeDy Medical Group is third with 7.
How many San Mateo medical groups are independent?
25, or 78%, have no larger parent organization in the Dmand AI org hierarchy. 1 belong to a health system or hospital.
How many San Mateo medical groups practice at a hospital?
4 San Mateo groups practice at a hospital site linked to them in the Dmand AI org hierarchy.
How do I find a medical group's NPI or PAC ID?
Each medical group profile lists the group NPI and Medicare PAC ID at the top, with the main address and phone number. The NPI comes from the NPPES NPI Registry and the PAC ID from CMS Medicare enrollment.
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