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 111 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 Westman, DOSaint Joseph, MI 490851982283065
  2. Jason Whateley, DORochester, MI 483071518120195
  3. Carolyn Whatley, MDLansing, MI 489121487750022
  4. Craig Wheeler, MDLansing, MI 489171780665836
  5. Eileen Wheeler, DOLansing, MI 489111881692945
  6. Austin White, DOGrand Rapids, MI 495031578146320
  7. Charles White, DODowagiac, MI 490471669437612
  8. Daniel White, M.D.Rochester Hills, MI 483071457460008
  9. David White, M.D.Detroit, MI 482021982815148
  10. Dawn White, MDGrand Rapids, MI 495461346281995
  11. Jennifer White, MDLansing, MI 489111972724292
  12. Kayleigh White, DOTraverse City, MI 496841972996619
  13. Michael White, M.D.Farmington Hills, MI 483341609851708
  14. Oronde White, MDYpsilanti, MI 481971891746871
  15. Todd White, DOPortage, MI 490241134199615
  16. Timothy Whiteus, M.D.Detroit, MI 482381174543342
  17. Kevin Whitlow, M.DDetroit, MI 482021437311032
  18. Gerald Whitney, MDMidland, MI 486701164914768
  19. Erica Whittenberger, MDGrand Rapids, MI 495031033708136
  20. Emily Whyte, DOMuskegon, MI 494441609563923
  21. Abhimani Wickrama, MDDetroit, MI 482351013517028
  22. Eric Wielhouwer, D.O.Grandville, MI 494181790819449
  23. James Wierman, DODowagiac, MI 490471942280920
  24. Dale Wiersma, MDFremont, MI 494121639126832
  25. Matthew Wietrzykowski, MDHamtramck, MI 482121528040979
  26. Shirani Wijay-Samarasinha, M.D.Portage, MI 490021245263623
  27. Jerome Wilborn, M.D.Farmington Hills, MI 483361750351516
  28. Sonali Wilborn, MDDearborn, MI 481241164523247
  29. Andrew Wiley, D.O.Warren, MI 480931255652582
  30. Christopher Wilhelm, MDHonor, MI 496401568460699
  31. Nolan Wilkerson, MDSouthfield, MI 480751740128057
  32. Ann Wilkie, M.D.Ypsilanti, MI 481971700049210
  33. Bradley Wilkins, M.D.Detroit, MI 482011255561171
  34. Todd Wilkinson, MDRoyal Oak, MI 480731902866890
  35. David Willens, M.D., M.P.H.Detroit, MI 482021962688713
  36. Brent Williams, MDAnn Arbor, MI 481091447340831
  37. David Williams, MDSouthfield, MI 480341710022017
  38. Geoffrey Williams, MD, PHDAnn Arbor, MI 481051386673622
  39. Laura Williams, MDYpsilanti, MI 481971881638864
  40. Lester Williams, MDDetroit, MI 482021861560302
  41. Michael Williams, MDSouthfield, MI 480751841291325
  42. Michael Williams, MDRochester Hills, MI 483071821076456
  43. Stephen Williams, MDTroy, MI 480831962464982
  44. Theresa Wills, FNP-BCFerndale, MI 482201962215533
  45. Charles Wilmanski, M.D.Battle Creek, MI 490151174610745
  46. Aimee Wilson, D.O.Grand Rapids, MI 495061457765257
  47. Alec Wilson, MDBattle Creek, MI 490371780064691
  48. Bradley Wilson, MDGrand Rapids, MI 495031659076800
  49. Brieanne Wilson, MDGrand Rapids, MI 495031487215505
  50. Conner Wilson, DOGrand Rapids, MI 495031346182128

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.