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 98 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. Heather Simpkins, MDAnn Arbor, MI 481051194916601
  2. Michael Simpson, MDTroy, MI 480981245208321
  3. Abdulhadi Sinan, M.D.Dearborn, MI 481261841242245
  4. Elizabeth Sinclair, PA-CWyandotte, MI 481921558242180
  5. Varun Sindagi, DOSaint Clair Shores, MI 480811528687225
  6. Arun Singal, M.D.Wyandotte, MI 481921124195474
  7. Usha Singal, M.D.Detroit, MI 482011356388391
  8. Ravinder Singala, MDPontiac, MI 483411063680999
  9. Ericka Singer, D.O.Zeeland, MI 494641780066795
  10. Joseph Singerman, DOLivonia, MI 481501891917613
  11. Adiraj Singh, M.D.Flint, MI 485031962817726
  12. Anil Singh, M.D.Rochester, MI 483071013970805
  13. Birjitender Singh, MDSaginaw, MI 486021124131719
  14. Chanpreet SinghFarmington Hills, MI 483361831987304
  15. Gurbir Singh, MDWaterford, MI 483271043442585
  16. Harpal Singh, M.D.Saginaw, MI 486031730108127
  17. Jaspal Singh, M.D.Livonia, MI 481541194741264
  18. Manmeet Singh, M.D.Detroit, MI 482011720224033
  19. Ripanjit SinghRochester, MI 483071326767831
  20. Sachin Singh, MDSaginaw, MI 486021861179095
  21. Surjeet Singh, M.D.Detroit, MI 482021639247166
  22. Sweta Singh, MDAnn Arbor, MI 481091053601914
  23. Vikas Singh, MDAnn Arbor, MI 481091215249537
  24. Rohini Singh-Pradhan, M.D.Farmington Hills, MI 483361588962948
  25. Usha Singhi, M.D.Novi, MI 483741023098001
  26. Ved Singla, MDWarren, MI 480931467462424
  27. Jillian SinkoffHazel Park, MI 480301457883720
  28. Mark Sinkoff, MDTroy, MI 480981417918863
  29. Oleg Sinyavskiy, M.D.Livonia, MI 481501316177157
  30. Nikko Sirdenis, MCGrand Rapids, MI 495031568099661
  31. John Sisson, MDGrand Rapids, MI 495031548780596
  32. James Sitek, D.O.Traverse City, MI 496841205831617
  33. Emil Sitto, M.D.Sterling Heights, MI 483101356311963
  34. Subburaman Sivakumar, M.D D.OFarmington Hills, MI 483311073514873
  35. Suceil Sivsammye, MDBattle Creek, MI 490371336521103
  36. Jaroslaw Siwik, MDPortage, MI 490241043280522
  37. Olivia Siwoski, M.D.Kalamazoo, MI 490071609260884
  38. Joel Skaistis, M.D.Royal Oak, MI 480731932462637
  39. Mark Skalski, MDBrighton, MI 481161063593432
  40. Joseph Skandalaris, D.O.Howell, MI 488431477557056
  41. Charles Skardarasy, M.D.Sterling Heights, MI 483121386618882
  42. Kathleen Skelcy, D.O.Saginaw, MI 486041194837542
  43. Christopher Skinner, MDBig Rapids, MI 493071609877307
  44. Joseph Skoney, MDTroy, MI 480981871554238
  45. Justin Skrzynski, M.D.Royal Oak, MI 480731124314299
  46. Roman Skrzypek, M.D.Detroit, MI 482021548338072
  47. Gina Sleilati, MDDetroit, MI 482011174561252
  48. Kelsey Slete, DORoyal Oak, MI 480731023548369
  49. Achraf Slim, M.DDearborn, MI 481281689962136
  50. Siarhei Slizheuski, M.D.Detroit, MI 482361245473958

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.