Internists in San Mateo, CA
- Internists
- 48
- Linked to a hospital or group
- 40
- Hospitals with an internist
- 13
- Medical groups with an internist
- 20
- Practice at a hospital
- 34
There are 48 internists in San Mateo. San Mateo Medical Center has the most, 26, and San Mateo Medical Center has the most affiliated internists, 27. 41% finished medical school 30 or more years ago.
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San Mateo internists, listed A to Z by last name
Each internist on the list has internal medicine as their primary specialty and a San Mateo practice address. The list shows the NPI, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.
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The list shows the 43 internists with a public profile. The other 5 are counted in the total and searchable with a free account.
Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data
For health IT teams
Dmand AI has the EHR for 42 of 48 San Mateo internists, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.
San Mateo Medical Center has the most internists in San Mateo, with 26
The Permanente Medical Group, Inc. is second with 5, and Inpatient Specialist of California PC third with 3. Counts are internists with a California address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
San Mateo Medical Center has the most affiliated internists in San Mateo, with 27
Mills-Peninsula Medical Center is second with 11, and Stanford Hospital at 300 Pasteur Drive third with 7. San Mateo internists are affiliated with 13 hospitals in all.
See every hospital and group for each San Mateo internist
Each public profile names one place an internist practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
Most San Mateo internists practice at a hospital: 34 of the 40 with a mapped site
27 also practice at skilled nursing facilities, and 9 at a medical group site. An internist can practice at several kinds of site, so the shares overlap.
San Mateo internists by site of care
- Hospitals34
- Skilled nursing facilities27
- Medical group practices9
- FQHCs7
- Physician offices4
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
41% of San Mateo internists finished medical school 30 or more years ago
15 of the 37 San Mateo internists with a graduation year on file. 6 graduated in the last 10 years.
Physicians by years since medical school
- Under 10 years ago6
- 10 to 19 years ago11
- 20 to 29 years ago5
- 30 to 39 years ago12
- 40 or more years ago3
Source: Dmand AI Professional Profile Data
Every San Mateo internist profile shows current hospitals and groups, Medicare activity and NPI details
- Primary practiceThe main place they practice, with its type and cityOn every profile
- Every site of careEach hospital, clinic and group where they practice nowWith a free account
- EmployerThe organization they work for, when one is on fileWith a free account
- Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
- Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
- Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
- Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
- Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
- NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
- Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
- EHR in useThe EHR at each site where they practiceWith a free account
- Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data
Sources for the San Mateo internist directory
| Data on this page | Source |
|---|---|
| HCPs, types and specialties | NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data |
| Sites of care, hospitals and medical groups | Dmand AI Affiliation Data |
| Medical school graduation year | Dmand AI Professional Profile Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
Internists are HCPs whose primary specialty is internal medicine (taxonomy code 207R00000X), with an active NPI and a San Mateo practice address.
FAQ
Frequently asked questions about internists 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 internists are in San Mateo?
48 internists have an active NPI, a San Mateo practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 40 of them are linked to a hospital or medical group.
Which San Mateo medical groups have the most internists?
San Mateo Medical Center, with 26, followed by The Permanente Medical Group, Inc. with 5 and Inpatient Specialist of California PC with 3.
Which San Mateo hospitals have the most internists?
San Mateo Medical Center, with 27 affiliated internists, followed by Mills-Peninsula Medical Center with 11 and Stanford Hospital at 300 Pasteur Drive with 7.
What share of San Mateo internists practice at a hospital?
34 of the 40 San Mateo internists with a mapped site of care, or 85%, have a current hospital affiliation.
What is the taxonomy code for internal medicine?
207R00000X is the NPPES taxonomy code for internal medicine. Sub-specialties with their own code are counted on their own lists.
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