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 112 of 115.

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

Detroit has the most, 617

Internal Medicine Physician records in Michigan

  1. Emily Wilson, MDSaline, MI 481761255782504
  2. Francis Wilson, MDDetroit, MI 482011205963410
  3. Steven Wilson, MDAnn Arbor, MI 481091922538727
  4. Michael Wiltrakis, D.OWyoming, MI 495191447465349
  5. Lewis Winder, MDCanton, MI 481881033730858
  6. Steven Winokur, MDRochester Hills, MI 483061821058280
  7. Amanda Winston, M.D.Davison, MI 484231477992360
  8. David Winston, M.D.Ann Arbor, MI 481051699886127
  9. Jessica Wintonli, MDSaginaw, MI 486021215203682
  10. Kendall Wirtanen, DODetroit, MI 482021174468391
  11. Steven Wisniewski, M.D.Gaylord, MI 497351104851658
  12. Kathryn Wisser, DOFlint, MI 485321073545273
  13. Sheryl Wissman, MDOxford, MI 483711386642056
  14. Desmonda Wixson, MDKalamazoo, MI 490061013947522
  15. Theodore Wizenberg, M.D.Southfield, MI 480341932102423
  16. Taylor Wofford, M.D.Midland, MI 486401841496353
  17. David Wolf, MDBingham Farms, MI 480251447339460
  18. Sarah Wolf, DOHarbor Springs, MI 497401952727653
  19. Sharon Wolf, M.D.Southfield, MI 480341518942614
  20. Adam Wolfe, DOGrand Rapids, MI 495461215992573
  21. Garen WolffDetroit, MI 482021154855443
  22. Mervin Wolff, M.D.Detroit, MI 482021154411213
  23. Byron Wolffing, M.D.Dearborn, MI 481261417025958
  24. Douglas Woll, M.D.West Bloomfield, MI 483231699978288
  25. Jennifer Wollack, D.O.Lansing, MI 489111265880140
  26. Ryan Wolok, M.D.Farmington Hills, MI 483341215377791
  27. Joseph Wolschleger, M.D.Big Rapids, MI 493071144393141
  28. Andrew Wong, MDAnn Arbor, MI 481091659981751
  29. David WongKalamazoo, MI 490071366192940
  30. Mamie Wong-Lim, M.D.Detroit, MI 482021235207770
  31. Jeffery Woo, M.D.Grand Rapids, MI 495061003037417
  32. Mary Wood, MDNovi, MI 483751316050966
  33. Richard Woodbury, M.D.Traverse City, MI 496841497750814
  34. Ryan Woolley, M.D.Detroit, MI 482021790147817
  35. James Woolliscroft, MDAnn Arbor, MI 481091790875185
  36. Lauren Workman, DORoyal Oak, MI 480731194454330
  37. William Workman, D.O.Battle Creek, MI 490151407110257
  38. Meron Worku, MDFlint, MI 485031760123988
  39. Lauren Worth, DOBerkley, MI 480721457976185
  40. Terry WortzKalamazoo, MI 490481770693749
  41. Felicia Wright, MDGrand Rapids, MI 495461568080653
  42. Jazmin Wright Zornes, DOFarmington Hills, MI 483361275469272
  43. Bo Wu, MDLansing, MI 489121336193705
  44. Charles Wu, MDBad Axe, MI 484131699888602
  45. Jenny Wu, M.D.Livonia, MI 481501144398686
  46. Jixian Wu, M.D.Clinton Township, MI 480381326032202
  47. Jessica Wummel, M.D.Ann Arbor, MI 481091992186951
  48. Philip Wyatt, DOLansing, MI 489171184205221
  49. Bradford Wylie, MDDexter, MI 481301750367033
  50. Jerry XavierSaginaw, MI 486021003216359

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.