NPPES file of Aug 9, 2026

Specialist in Ohio

1,312 NPPES records list specialist with a practice address in Ohio, 11 per 100,000 residents, the 26th highest rate of 51. Cincinnati and Columbus have the most; each record links to the provider's NPI and the Ohio license search. Page 27 of 27.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 174400000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Cincinnati has the most, 216

  1. Cincinnati216
  2. Columbus144
  3. Cleveland81
  4. Dayton50
  5. Toledo46

Specialist records in Ohio

  1. Kimberly Young, LMTFremont, OH 434201316104102
  2. Adel Youssef, M.D.Warren, OH 444831891788477
  3. Jennifer Yovanovich, COTA/LFairlawn, OH 443331679021711
  4. Thomas Yunger, M.D.Dayton, OH 454151962496844
  5. Ihor Zachary, M.D.Cleveland, OH 441301073540100
  6. John ZerbeCincinnati, OH 452131740235100
  7. John Zerhusen, MDCincinnati, OH 452521033271028
  8. Michael Zgrabik, M.D.Cleveland, OH 441301477589588
  9. William Zipf, MDColumbus, OH 432351801974951
  10. Dianne ZrennerCleveland, OH 441091154799682
  11. Katlyn ZuidemaCincinnati, OH 452271194181347
  12. Stanislav ZvaritchSteubenville, OH 439521033918800

Source: CMS NPPES, primary taxonomy 174400000X: records by practice city and the list of records, file of Aug 9, 2026.

Ohio ranks 26 of 51 per resident

  1. Florida12
  2. Utah11
  3. Montana11
  4. Ohio11
  5. Connecticut11
  6. Alabama11
  7. 50 states and D.C.18

Source: CMS NPPES, primary taxonomy 174400000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

15.2% of these records appear in a Medicare file, against 17.0% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Ohio15.2%
  2. United States17.0%

Specialist records in Ohio, measured

  • In a Medicare file199 of 1,312 · 15.2% here, 17.0% nationally
  • In the CMS Doctors and Clinicians file142 · 10.8% here, 11.1% nationally
  • Not updated in five years or more1,034 · 78.8% here, 77.3% nationally
  • Median graduation year1988 · the 142 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 174400000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,312 NPPES records list specialist (174400000X) as their primary taxonomy with a practice address in Ohio: 11 per 100,000 residents against 18 nationally (50 states and D.C.). Cincinnati has 216 of them (16%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Illinois1,154
  2. Colorado1,105
  3. Massachusetts1,096
  4. Oregon1,085

States with a similar rate per 100,000

  1. Montana11.2
  2. Connecticut11.0
  3. Utah11.5
  4. Alabama10.7

The largest states

  1. New York22,636
  2. California5,749
  3. Florida2,685
  4. Washington2,609
  5. Pennsylvania2,031

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

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.