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 19 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. John Caldwell, MDMt Pleasant, MI 488581710065776
  2. Michelle Calhoun, D.O.Southfield, MI 480341972678548
  3. Romain CaliniLivonia, MI 481521285175687
  4. Steven Calkin, D.O.Pontiac, MI 483421992728356
  5. Kelvin Callaway, MDFlint, MI 485321689776577
  6. Doyle Calley, M.D.Lyons, MI 488511982791513
  7. Camille Callow, MDGrand Rapids, MI 495031164003000
  8. Albana Camaj, DOLapeer, MI 484461588285365
  9. Keith Camann, M.D.East Lansing, MI 488241245273515
  10. Sumner CamisaSouthfield, MI 480341033100540
  11. Robert Camp, MDGrand Rapids, MI 495031912948159
  12. Amanda Campbell, DOKalamazoo, MI 490481881914893
  13. Don Campbell, MDMuskegon, MI 494441184601957
  14. Douglas Campbell, M.D.Kalamazoo, MI 490481225028921
  15. Jaila CampbellDetroit, MI 482671710568373
  16. Alison Caniff, DOKalamazoo, MI 490071427687557
  17. Jordan Cantor, DOGrand Rapids, MI 495461902288772
  18. Cade CantuGrand Rapids, MI 495031942045901
  19. Eulogio Caoili, MDBloomfield Hills, MI 483041336196229
  20. Ana Capatina-Rata, M.D.Southfield, MI 480751780801332
  21. Vasiana CapollariRoyal Oak, MI 480731528851540
  22. Donald Caraccio, M. D.Traverse City, MI 496841548252729
  23. Virginia Caradonna-Graham, M.D.Bloomfield Hills, MI 483021902120553
  24. Nancy Carbajo, M.D.Hamburg, MI 481391417017187
  25. Silas Cardwell, M.D.Detroit, MI 482021053489583
  26. Leslie Caren, M.D.Waterford, MI 483281649288960
  27. William Carion, MDShelby Township, MI 483151558456251
  28. Catherine Carle, MDGrand Rapids, MI 495031205513546
  29. Tamara Carlin, MDTroy, MI 480981508834607
  30. Diana Carlson, D.O.Walled Lake, MI 483901689825564
  31. Susan Carlson, M.D.Kalamazoo, MI 490071750324109
  32. Jack Carman, M.D.Ypsilanti, MI 481971285635474
  33. James Carney, MDFarmington Hills, MI 483341306827761
  34. Izzat Carouba, M.DSouthfield, MI 480341164517769
  35. Laura Carravallah, M.D.Flint, MI 485041255311908
  36. Daniel Carrel, DOGrand Rapids, MI 495031831127158
  37. Lauren Carroll, MDDetroit, MI 482011346561776
  38. Hailey Carruthers, MDPontiac, MI 483411992437537
  39. James Carter, MDKalamazoo, MI 490071952371411
  40. Lynne Carter, MDDetroit, MI 482011497787261
  41. Michelle Carveth, MDPinckney, MI 481691194245688
  42. Amber Casey, DOBattle Creek, MI 490151548336266
  43. Elaine Cassen, M.D.Dearborn, MI 481261962570499
  44. Bruce Cassidy, D.OFarmington Hills, MI 483361770568198
  45. Paige Cassidy, MDGrand Rapids, MI 495031902485378
  46. Sean Cassleman, DOSaint Clair Shores, MI 480811720404775
  47. Candelaria Castaneda, MDCass City, MI 487261689667354
  48. Jennifer Castillo, MDAnn Arbor, MI 481051902995863
  49. Katerina Castillo, MDAnn Arbor, MI 481091932782273
  50. Susan Catto, M.D.Royal Oak, MI 480731316017569

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.