NPPES file of Aug 9, 2026

Internal Medicine Physician in Ohio

5,277 NPPES records list internal medicine physician with a practice address in Ohio, 45 per 100,000 residents, the 19th highest rate of 51. Cleveland and Columbus have the most; each record links to the provider's NPI and the Ohio license search. Page 71 of 106.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · method

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

Cleveland has the most, 897

  1. Cleveland897
  2. Columbus580
  3. Cincinnati566
  4. Dayton225
  5. Akron177

Internal Medicine Physician records in Ohio

  1. Yazan Omar Khaled Alzubi, M.D.Akron, OH 443041861189250
  2. Mohamed Omer, MDCleveland, OH 441061336061860
  3. Olayinka Omitowoju, M.D.Lima, OH 458041164483327
  4. Gary Onady, MD, PHDTrenton, OH 450671396792347
  5. Babatunde Onamusi, M.D, MPH, CIMELima, OH 458041346305539
  6. Mariah OndeckCleveland, OH 441951508445842
  7. Juliann Ondecker, D.O.Columbus, OH 432141740674118
  8. Matthew OndersColumbus, OH 432141801536024
  9. John Ondrejka, MDMentor, OH 440601770543159
  10. Darla Ondreko, D.O.Marietta, OH 457501982609020
  11. James Oneal, MDColumbus, OH 432141538159520
  12. Audrey OnuzoCleveland, OH 441151598241614
  13. Alex Onyemeh, M.D.Columbus, OH 432131881046753
  14. Thomas OommenChillicothe, OH 456011346324993
  15. Jane Oosthuizen, DODayton, OH 454291598124646
  16. Oluwatoyin Opelami, M.DWestlake, OH 441451487932802
  17. Charles Opperman, MDLebanon, OH 450361891051892
  18. Bernard Oppong, D.O.Columbus, OH 432291184619041
  19. Charles Oppong, MDAkron, OH 443071902080922
  20. Nicolae Oprescu, MDCincinnati, OH 452161427144617
  21. Daniel Opris, D.ODayton, OH 454061740547983
  22. Gina Mihaela Oprisescu, MDCleveland, OH 441111104073212
  23. Martha Orabella, MDCincinnati, OH 452091942462510
  24. Natalie OrganekCleveland, OH 441951982963468
  25. Mark Orland, MDCleveland, OH 441951093455412
  26. Anna Orlando, D.O.Lisbon, OH 444321710332127
  27. Stanley Orlop, D.O.Toledo, OH 436081215932165
  28. Tahereh Orouji Jokar, MDElyria, OH 440351750944542
  29. Daniella Ortin D Lacoste, MDYoungstown, OH 445101992645477
  30. Carl Ortman, M.D.Athens, OH 457011205139391
  31. Robert Osborne, MDCincinnati, OH 452301336152388
  32. Akpezi Oshobe, MDSpringfield, OH 455041407376809
  33. Oyidiya Osoka, MDYoungstown, OH 445041891272001
  34. Leonor Osorio, D.O.Cleveland, OH 441131568451847
  35. Millicent Osorio, MDCleveland, OH 441061538370705
  36. Howard Oster, MD, PHDLyndhurst, OH 441241497927073
  37. Yahya Othman, M.D.Cleveland, OH 441061851913735
  38. Anna Overmann, MDCincinnati, OH 452191588242291
  39. Okari Owate, M.D.Canton, OH 447101790131431
  40. Michael Owens, M.D.Gallipolis, OH 456311174564785
  41. Kwabena Owusu-Ansah, MD, PHDBoardman, OH 445121578143012
  42. Steven Oyakawa, M.D.Fairlawn, OH 443331669486254
  43. Oyekunle Oyekanmi, M.D.Sidney, OH 453651639283377
  44. Mary Oyerokun, MDCincinnati, OH 452191245610393
  45. Amita Oza, MDDayton, OH 454091285634865
  46. Ratnam Oza, MDDayton, OH 454091003816687
  47. Ismet Ozkazanc, M.D.Zanesville, OH 437011386686988
  48. Nkemka OzonmaZanesville, OH 437011124722764
  49. Richard Paat, M.D.Maumee, OH 435371316947021
  50. Clifford Packer, MDCleveland, OH 441061548313091

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

Ohio ranks 19 of 51 per resident

  1. Minnesota46
  2. California45
  3. Florida45
  4. Ohio45
  5. Maine43
  6. West Virginia43
  7. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 207R00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

81.2% of these records appear in a Medicare file, against 78.7% 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. Ohio81.2%
  2. United States78.7%

Internal Medicine Physician records in Ohio, measured

  • In a Medicare file4,283 of 5,277 · 81.2% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file3,418 · 64.8% here, 61.4% nationally
  • Not updated in five years or more3,079 · 58.3% here, 55.4% nationally
  • Median graduation year2006 · the 3,414 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207R00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

5,277 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Ohio: 45 per 100,000 residents against 44 nationally (50 states and D.C.). Cleveland has 897 of them (17%).

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. Michigan5,735
  2. New Jersey4,632
  3. North Carolina4,056
  4. Georgia3,911

States with a similar rate per 100,000

  1. Florida44.9
  2. California45.4
  3. Minnesota45.9
  4. Maine42.8

The largest states

  1. California17,696
  2. New York12,067
  3. Florida10,151
  4. Texas9,175
  5. Pennsylvania7,300

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.