Internists in Ohio
- Internists
- 5,508
- Linked to a hospital or group
- 4,532
- Hospitals with an internist
- 200
- Medical groups with an internist
- 527
- Cities
- 246
There are 5,508 internists in Ohio. Cleveland Clinic has the most, 493, and Cleveland Clinic Main Campus has the most affiliated internists, 678. Cleveland is home to 1,164, and 35% finished medical school 30 or more years ago.
Find work emails and mobile numbers for all 5,508 Ohio internists
Validated work emails and mobile numbers for Ohio internists, found through healthcare waterfall enrichment, with a free Dmand AI account.
Ohio internists, listed A to Z by last name
Each internist on the list has internal medicine as their primary specialty and an Ohio practice address. The list shows the NPI and city, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.
Filter this list with a free account
Sort and filter all 5,508 Ohio internists by city, hospital, medical group, the EHR they use and Medicare volume in Dmand AI.
Showing 1 to 10 of 4,708 Ohio internists
The list shows the 4,708 internists with a public profile. The other 800 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 5,081 of 5,508 Ohio 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.
Cleveland Clinic has the most internists in Ohio, with 493
University Hospitals Medical Practices is second with 231, and Miami Valley Hospitalist Group third with 203. Counts are internists with an Ohio address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Cleveland Clinic Main Campus has the most affiliated internists in Ohio, with 678
University Hospitals Cleveland Medical Center is second with 308, and Ohio State University Hospital third with 305. Ohio internists are affiliated with 200 hospitals in all.
See every hospital and group for each Ohio 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
Cleveland has the most internists in Ohio, with 1,164
More Ohio cities with internists
- Youngstown168
- Canton152
- Westerville128
- Chillicothe79
- Lima64
- Springfield55
- Miamisburg49
- Warren44
- Zanesville43
Internists practice in 246 Ohio cities. Every city with 10 or more has its own page.
Source: NPPES NPI Registry (CMS)
Most Ohio internists practice at a hospital: 3,880 of the 4,407 with a mapped site
2,347 also practice at a medical group site, and 980 at home health agencies. An internist can practice at several kinds of site, so the shares overlap.
Ohio internists by site of care
- Hospitals3,880
- Medical group practices2,347
- Home health agencies980
- Clinical labs394
- Hospices377
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
35% of Ohio internists finished medical school 30 or more years ago
1,357 of the 3,920 Ohio internists with a graduation year on file. 756 graduated in the last 10 years.
Physicians by years since medical school
- Under 10 years ago756
- 10 to 19 years ago1,055
- 20 to 29 years ago752
- 30 to 39 years ago788
- 40 or more years ago569
Source: Dmand AI Professional Profile Data
Every Ohio 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 Ohio 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 an Ohio practice address.
FAQ
Frequently asked questions about internists in Ohio
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 Ohio?
5,508 internists have an active NPI, an Ohio practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 4,532 of them are linked to a hospital or medical group.
Which Ohio medical groups have the most internists?
Cleveland Clinic, with 493, followed by University Hospitals Medical Practices with 231 and Miami Valley Hospitalist Group with 203.
Which Ohio hospitals have the most internists?
Cleveland Clinic Main Campus, with 678 affiliated internists, followed by University Hospitals Cleveland Medical Center with 308 and Ohio State University Hospital with 305.
Which Ohio cities have the most internists?
Cleveland, with 1,164, followed by Cincinnati (588) and Columbus (561). Internists practice in 246 Ohio cities in all.
How many Ohio internists finished medical school 30 or more years ago?
1,357 of the 3,920 with a graduation year on file, or 35%. 756 graduated in the last 10 years.
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.
How can I contact internists in Ohio?
Dmand AI finds validated work emails, mobile numbers and practice phone numbers for internists in Ohio through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.
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Find the right contacts among Ohio internists
Search 5,508 Ohio internists by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
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