NPPES file of Aug 9, 2026

Internal Medicine Physician in Michigan

5,735 NPPES records list internal medicine physician with a practice address in Michigan, 57 per 100,000 residents, the 10th highest rate of 51. Detroit and Ann Arbor have the most; each record links to the provider's NPI and the Michigan license search. Page 78 of 115.

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).

Detroit has the most, 617

  1. Detroit617
  2. Ann Arbor479
  3. Grand Rapids451
  4. Royal Oak218
  5. Southfield200

Internal Medicine Physician records in Michigan

  1. Derek Olson, DOKentwood, MI 495081770553901
  2. Katrina Olson, MDN Muskegon, MI 494451245222843
  3. Maxwell Olson, MDGrand Rapids, MI 495031083468367
  4. Peter Olson, M.D.Grand Rapids, MI 495081407807217
  5. Abigale Oltman, MDGrand Rapids, MI 495031265137988
  6. Lisa Oltmanns, M.D.Brighton, MI 481161417966235
  7. Jasmine-Yasmine Omar, MDDetroit, MI 482021821483652
  8. Yazan Omari, MDSouthfield, MI 480751467131011
  9. Allan Omete, MDKalamazoo, MI 490071427747393
  10. Amal Omran, MDSterling Heights, MI 483101144355934
  11. Agbadebo Onabajo, MDGrand Blanc, MI 484391629642533
  12. Fethi OnalGrosse Pointe Woods, MI 482361124777354
  13. Leonard Oneill, MDKalamazoo, MI 490071215907787
  14. Muhammed Onel, MDRoyal Oak, MI 480731285424366
  15. Logan Oney, MDSt Clair Shores, MI 480801740397207
  16. Ekeoma Onuoha, MDSaginaw, MI 486021770474777
  17. John Oostendorp, MDHolland, MI 494241790725802
  18. Michaele Oostendorp, DORiverview, MI 481931154329423
  19. Ijeoma Opara, MDDetroit, MI 482011003069766
  20. Oluchi Opara, MDSouthfield, MI 480341396868659
  21. Alexandra OprescuKalamazoo, MI 490481902914385
  22. Nicoara OprescuKalamazoo, MI 490481225146533
  23. Marilena Oravitan, MDGrand Haven, MI 494171891752168
  24. Stanislaus Orowe, M.D.Southfield, MI 480751144370479
  25. Margaret Orr, M.D.Petoskey, MI 497701184718793
  26. Joseph Ortiz, MDGrand Haven, MI 494171326073792
  27. Luis Ortiz, MDKalamazoo, MI 490091245200716
  28. Maria Ortiz-Reyes, M.D.Dearborn, MI 481261891880837
  29. Robert Orzechowski, MDWarren, MI 480931790760569
  30. Augustine Osagie, MDCommerce Twp, MI 483821144270851
  31. Daniel Osborne, MDGrand Rapids, MI 495031629019443
  32. Theresa Osborne, MDGrand Rapids, MI 495441326087057
  33. Olusegun Osinbowale, M.D.Detroit, MI 482021114065547
  34. Fadi Oska, M.D.Sterling Heights, MI 483141205856432
  35. Eli Osman, M.D.Detroit, MI 482011912269663
  36. Brandon Osmanski, D.O.Warren, MI 480931720347339
  37. Abimbola Osobamiro, M.D.Mount Clemens, MI 480431356335418
  38. Benjamin Osowa, M.D.Roseville, MI 480661053305110
  39. Elisa Ostafin, MDAnn Arbor, MI 481031770672917
  40. Christopher Osterbauer, DOKalamazoo, MI 490071427543578
  41. Sally Othman, MDGarden City, MI 481351225720170
  42. Mira Otto, M.D.Ann Arbor, MI 481051851719553
  43. Marie Overbeck, MDKalamazoo, MI 490071861016396
  44. Carlos Oviedo, MDDetroit, MI 482351780949214
  45. Ryan Owen, DORoyal Oak, MI 480731689231417
  46. Joshua Owuor, MDGrand Rapids, MI 495031578125548
  47. Hugh Pabarue, M.D.West Bloomfield, MI 483221578523221
  48. Robert Pacer, MDTraverse City, MI 496841770543993
  49. Marlis Pacifico, M.D.Ann Arbor, MI 481031003924416
  50. Drew Packey, D.O.Royal Oak, MI 480731811302516

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

Michigan ranks 10 of 51 per resident

  1. New York62
  2. Delaware58
  3. Illinois58
  4. Michigan57
  5. Pennsylvania56
  6. Vermont50
  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.

79.4% 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. Michigan79.4%
  2. United States78.7%

Internal Medicine Physician records in Michigan, measured

  • In a Medicare file4,555 of 5,735 · 79.4% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file3,566 · 62.2% here, 61.4% nationally
  • Not updated in five years or more3,119 · 54.4% here, 55.4% nationally
  • Median graduation year2006 · the 3,564 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

5,735 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Michigan: 57 per 100,000 residents against 44 nationally (50 states and D.C.). Detroit has 617 of them (11%).

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. Ohio5,277
  2. Massachusetts6,825
  3. New Jersey4,632
  4. Illinois7,238

States with a similar rate per 100,000

  1. Pennsylvania56.3
  2. Delaware58.1
  3. New York61.7
  4. Hawaii62.9

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.