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 39 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. James Grekin, D.O.Farmington Hills, MI 483311740485036
  2. Mark Grenquist, DOChelsea, MI 481181942300454
  3. Monika Grewal, M.D.Detroit, MI 482021114095650
  4. Rajinder GrewalPontiac, MI 483411437327350
  5. Rinko Grewal, DOAnn Arbor, MI 481091659995777
  6. Juliana Grey, M.D.Livonia, MI 481501750355640
  7. Dina Griauzde, MDAnn Arbor, MI 481051194018028
  8. Katherine Griese, MDRochester Hills, MI 483071154989861
  9. Matthew Griffin, D.O.Ypsilanti, MI 481971144649690
  10. Alyssa Griffith, MDGrand Blanc, MI 484391912798075
  11. Heidi Griggs, DOPortage, MI 490241902876477
  12. Branko Grinfeld, M.D.Kalamazoo, MI 490091356436976
  13. Agostino Grittani, M.DDetroit, MI 482361295527349
  14. Paunel Grivej, MDWaterford, MI 483281215986682
  15. Violeta Grivej, M.D.Rochester Hills, MI 483071699845644
  16. Christopher Grondin, M.D.Ann Arbor, MI 481091902260607
  17. Kayla Grooters, MDKalamazoo, MI 490081336081199
  18. Derek Grossman, DOTraverse City, MI 496841770512410
  19. Kathryn Grossman, MDKalamazoo, MI 490071780658146
  20. Harjot Grover, D.O.Warren, MI 480931972954717
  21. Kunal GroverDetroit, MI 482021518258870
  22. Walter Gruber, M.D.Midland, MI 486401164440277
  23. Cecille Guarnes, M.DSaginaw, MI 486031215975636
  24. Brette Guckian, DOAlpena, MI 497071497491161
  25. Samantha Guerra, DOPontiac, MI 483421689359598
  26. Diana Guerrero Betancourt, MDCommerce Township, MI 483821477546059
  27. James Guigelaar, MDBay City, MI 487061831105956
  28. Vinati Gujral Rai, M.D.Detroit, MI 482011790012557
  29. Sarada Gullapalli, M.D.Southfield, MI 480761124068903
  30. Robert Gumbita, DOLansing, MI 489121922593177
  31. Ram Gunabalan, MDTroy, MI 480841710019955
  32. David Gunnerson, MDLivonia, MI 481501588602106
  33. Sri Vibhavari GuntupalliFlint, MI 485321528544327
  34. Kunxing Guo, M.D.Grosse Pointe, MI 482301881121572
  35. Xiaonan Guo, D.O.Farmington Hills, MI 483341215248646
  36. Yue Guo, M.D.Detroit, MI 482021841368388
  37. Abha Gupta, MDYpsilanti, MI 481971063745107
  38. Amita Gupta, M.D.Sterling Heights, MI 483121568446557
  39. Anjali Gupta, MDLivonia, MI 481501467653261
  40. Anupam Gupta, M.D.Canton, MI 481871780832063
  41. Ashok Gupta, M.D.Dearborn, MI 481261750459293
  42. Ashok Gupta, M.D.Sylvan Lake, MI 483201285788463
  43. Ashok Gupta, MDEaton Rapids, MI 488271003886565
  44. Ashwin Gupta, MDAnn Arbor, MI 481091780947317
  45. Badri Gupta, MDWoodhaven, MI 481831518985845
  46. Baldev Gupta, M.D.Trenton, MI 481831720168164
  47. Bhavesh Gupta, M.D.Ann Arbor, MI 481051285678920
  48. Eisha Gupta, MDDetroit, MI 482361467023275
  49. Gagan Gupta, MDGrand Rapids, MI 495251629769146
  50. Manisha Gupta, M.D.Saginaw, MI 486021336250505

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.