Doctors and health care providers in Ohio
327,042 individual NPPES records list a practice address in Ohio, 2,775 per 100,000 residents, above the 2,176 across the 50 states and D.C.; records with an MD or DO credential: 411 per 100,000, against 375 nationally. Licenses are checked on the State Medical Board of Ohio search.
Family Medicine is Ohio's largest physician specialty
45,762 records in Ohio list a physician taxonomy (allopathic or osteopathic, NUCC 207 and 208) as their primary type. The eight largest specialties, each linked to its Ohio list:
Source: CMS NPPES flagged primary taxonomy, physician codes 207 and 208, file of Aug 9, 2026.
Across every provider type, Case Manager/Care Coordinator is the largest group
Columbus has the most records
Source: CMS NPPES primary taxonomy and practice city, file of Aug 9, 2026.
What's distinctive here
The specialties Ohio has more, and fewer, of than the nation
Relative to its size, Ohio has about 11× the national share of homemakers and only 0.29× the share of behavior technicians. These gaps reflect how each state licenses and classifies professions, not how much care is available.
More common in Ohio
Less common in Ohio
- Behavior Technician 0.29×
- Mental Health Counselor 0.60×
- Physical Therapist 0.63×
- Clinical Social Worker 0.70×
- General Practice Dentistry 0.71×
Each multiple is Ohio's share of that specialty divided by its national share, among specialties with at least 3,000 providers in-state. Source: CMS NPPES, current release.
3,846 Ohio entries on the federal exclusion list
32.6 per 100,000 residents, against 25 for the 50 states and D.C. The most common reason in Ohio: conviction for a program-related crime. Excluded people and businesses cannot bill Medicare or Medicaid. How to check a provider →
Source: HHS-OIG List of Excluded Individuals/Entities (LEIE), file of Sep 10, 2026 (oig.hhs.gov), entries with a Ohio address, five most common authorities.
The 30 Ohio cities with the most records
- Columbus36,491
- Cincinnati31,362
- Cleveland30,748
- Toledo13,583
- Dayton12,431
- Akron10,950
- Canton5,763
- Dublin5,030
- Youngstown4,790
- Westerville3,300
- Chillicothe2,938
- Mansfield2,715
- Lima2,639
- Athens2,613
- Beachwood2,592
- Hamilton2,515
- North Canton2,399
- Wooster2,269
- Springfield2,212
- Warren2,090
- Worthington2,084
- Lorain2,004
- West Chester1,963
- Portsmouth1,937
- Mentor1,824
- Westlake1,749
- Zanesville1,664
- Newark1,642
- Kettering1,612
- Lancaster1,601
Common questions
How many healthcare providers are in Ohio?
327,042 individual NPPES records list a practice address in Ohio, under 624 provider taxonomy codes. A record is a registration, not a license: it includes clinicians, technicians and students in training.
What is the most common physician specialty in Ohio?
Family Medicine, with 5,606 records, followed by internal medicine (5,277). Across every provider type the largest group is Case Manager/Care Coordinator (35,022 records).
How do I find a doctor in Ohio?
Open a physician specialty above for its Ohio list and its cities, or search a name or NPI with the state set to OH. PlainDoctor does not filter by insurance or rate doctors; check the license on the state board before booking.
The largest states
- California974,315
- New York545,291
- Florida470,495
- Texas433,013
- Michigan286,926
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); 2023 Census population estimates. Records are self-reported registrations, not licenses; PlainDoctor does not rate or recommend providers; its rankings sort billing figures, not quality.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.