Internists in Thousand Oaks, CA
- Internists
- 58
- Linked to a hospital or group
- 39
- Hospitals with an internist
- 16
- Medical groups with an internist
- 30
- Practice at a hospital
- 34
There are 58 internists in Thousand Oaks. UCLA Medical Group has the most, 7, and Los Robles Regional Medical Center has the most affiliated internists, 29. 24% finished medical school 30 or more years ago.
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Thousand Oaks internists, listed A to Z by last name
Each internist on the list has internal medicine as their primary specialty and a Thousand Oaks 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 44 internists with a public profile. The other 14 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 38 of 58 Thousand Oaks 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.
UCLA Medical Group has the most internists in Thousand Oaks, with 7
Life Medical Practitioners is second with 7, and Allure Medical Group third with 6. Counts are internists with a California address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Los Robles Regional Medical Center has the most affiliated internists in Thousand Oaks, with 29
Adventist Health Simi Valley is second with 12, and Dignity Health - Northridge Hospital Medical Center third with 6. Thousand Oaks internists are affiliated with 16 hospitals in all.
See every hospital and group for each Thousand Oaks 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 Thousand Oaks internists practice at a hospital: 34 of the 37 with a mapped site
22 also practice at a medical group site, and 18 at home health agencies. An internist can practice at several kinds of site, so the shares overlap.
Thousand Oaks internists by site of care
- Hospitals34
- Medical group practices22
- Home health agencies18
- Physician offices6
- Ambulatory surgery centers6
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
24% of Thousand Oaks internists finished medical school 30 or more years ago
8 of the 33 Thousand Oaks internists with a graduation year on file. 10 graduated in the last 10 years.
Physicians by years since medical school
- Under 10 years ago10
- 10 to 19 years ago9
- 20 to 29 years ago6
- 30 to 39 years ago6
- 40 or more years ago2
Source: Dmand AI Professional Profile Data
Every Thousand Oaks 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 Thousand Oaks 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 Thousand Oaks practice address.
FAQ
Frequently asked questions about internists in Thousand Oaks
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 Thousand Oaks?
58 internists have an active NPI, a Thousand Oaks practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 39 of them are linked to a hospital or medical group.
Which Thousand Oaks medical groups have the most internists?
UCLA Medical Group, with 7, followed by Life Medical Practitioners with 7 and Allure Medical Group with 6.
Which Thousand Oaks hospitals have the most internists?
Los Robles Regional Medical Center, with 29 affiliated internists, followed by Adventist Health Simi Valley with 12 and Dignity Health - Northridge Hospital Medical Center with 6.
What share of Thousand Oaks internists practice at a hospital?
34 of the 37 Thousand Oaks internists with a mapped site of care, or 92%, 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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