Internists in Mission Viejo, CA
- Internists
- 61
- Linked to a hospital or group
- 56
- Hospitals with an internist
- 7
- Medical groups with an internist
- 30
- Practice at a hospital
- 42
There are 61 internists in Mission Viejo. St. Jude Heritage Medical Group has the most, 21, and Providence Mission Hospital has the most affiliated internists, 31. 39% finished medical school 30 or more years ago.
Find work emails and mobile numbers for all 61 Mission Viejo internists
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Mission Viejo internists, listed A to Z by last name
Each internist on the list has internal medicine as their primary specialty and a Mission Viejo 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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Showing 1 to 50 of 58 Mission Viejo internists
The list shows the 58 internists with a public profile. The other 3 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 51 of 61 Mission Viejo 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.
St. Jude Heritage Medical Group has the most internists in Mission Viejo, with 21
OptumCare Medical Group is second with 13, and Optum - Downtown Los Angeles third with 10. Counts are internists with a California address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Providence Mission Hospital has the most affiliated internists in Mission Viejo, with 31
MemorialCare Saddleback Medical Center is second with 6, and Hoag Hospital Newport Beach third with 5. Mission Viejo internists are affiliated with 7 hospitals in all.
See every hospital and group for each Mission Viejo 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 Mission Viejo internists practice at a hospital: 42 of the 55 with a mapped site
38 also practice at a medical group site, and 5 at physician offices. An internist can practice at several kinds of site, so the shares overlap.
Mission Viejo internists by site of care
- Hospitals42
- Medical group practices38
- Physician offices5
- Hospices5
- FQHCs3
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
39% of Mission Viejo internists finished medical school 30 or more years ago
18 of the 46 Mission Viejo internists with a graduation year on file. 5 graduated in the last 10 years, fewer than graduated 40 or more years ago.
Physicians by years since medical school
- Under 10 years ago5
- 10 to 19 years ago11
- 20 to 29 years ago12
- 30 to 39 years ago10
- 40 or more years ago8
Source: Dmand AI Professional Profile Data
Every Mission Viejo 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 Mission Viejo 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 Mission Viejo practice address.
FAQ
Frequently asked questions about internists in Mission Viejo
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 Mission Viejo?
61 internists have an active NPI, a Mission Viejo practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 56 of them are linked to a hospital or medical group.
Which Mission Viejo medical groups have the most internists?
St. Jude Heritage Medical Group, with 21, followed by OptumCare Medical Group with 13 and Optum - Downtown Los Angeles with 10.
Which Mission Viejo hospitals have the most internists?
Providence Mission Hospital, with 31 affiliated internists, followed by MemorialCare Saddleback Medical Center with 6 and Hoag Hospital Newport Beach with 5.
What share of Mission Viejo internists practice at a hospital?
42 of the 55 Mission Viejo internists with a mapped site of care, or 76%, 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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