Internists in San Marcos, CA
- Internists
- 31
- Linked to a hospital or group
- 31
- Hospitals with an internist
- 12
- Medical groups with an internist
- 10
- Practice at a hospital
- 26
There are 31 internists in San Marcos. Southern California Permanente Medical Group has the most, 23, and Kaiser Permanente San Marcos Medical Center has the most affiliated internists, 23. 39% finished medical school 30 or more years ago.
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San Marcos internists, listed A to Z by last name
Each internist on the list has internal medicine as their primary specialty and a San Marcos 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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Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data
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Dmand AI has the EHR for 31 of 31 San Marcos 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.
Southern California Permanente Medical Group has the most internists in San Marcos, with 23
TrueCare is second with 4, and San Ysidro Health third with 2. Counts are internists with a California address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Kaiser Permanente San Marcos Medical Center has the most affiliated internists in San Marcos, with 23
Kaiser Permanente Zion Medical Center is second with 13, and Hillcrest Medical Center third with 1. San Marcos internists are affiliated with 12 hospitals in all.
See every hospital and group for each San Marcos 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 Marcos internists practice at a hospital: 26 of the 31 with a mapped site
6 also practice at a medical group site, and 5 at fqhcs. An internist can practice at several kinds of site, so the shares overlap.
San Marcos internists by site of care
- Hospitals26
- Medical group practices6
- FQHCs5
- Physician offices3
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
39% of San Marcos internists finished medical school 30 or more years ago
12 of the 31 San Marcos internists with a graduation year on file. 3 graduated in the last 10 years.
Physicians by years since medical school
- Under 10 years ago3
- 10 to 19 years ago7
- 20 to 29 years ago9
- 30 to 39 years ago11
- 40 or more years ago1
Source: Dmand AI Professional Profile Data
Every San Marcos 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 Marcos 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 Marcos practice address.
FAQ
Frequently asked questions about internists in San Marcos
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 Marcos?
31 internists have an active NPI, a San Marcos practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 31 of them are linked to a hospital or medical group.
Which San Marcos medical groups have the most internists?
Southern California Permanente Medical Group, with 23, followed by TrueCare with 4 and San Ysidro Health with 2.
Which San Marcos hospitals have the most internists?
Kaiser Permanente San Marcos Medical Center, with 23 affiliated internists, followed by Kaiser Permanente Zion Medical Center with 13 and Hillcrest Medical Center with 1.
What share of San Marcos internists practice at a hospital?
26 of the 31 San Marcos internists with a mapped site of care, or 84%, 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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