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 61 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. Soo-Yong Lee, DOSaint Joseph, MI 490851861070633
  2. Yi Lee, M.D.Pontiac, MI 483411700401254
  3. Robert Lefevre, M.D.Kalamazoo, MI 490071902849946
  4. Carrie Leff, DOFarmington Hills, MI 483341902819295
  5. Ruben Legaspi, MDGrosse Pointe Park, MI 482301770758278
  6. Parker Lehmann, DOGrand Blanc, MI 484391528859980
  7. Lyla Leipzig, M.D.St Clair Shores, MI 480811578564621
  8. Otto Leiti, MDAnn Arbor, MI 481091346425816
  9. Tristan Lemon, MDBrighton, MI 481161982341285
  10. Zachary Lemon, D.O.Garden City, MI 481351740497510
  11. Peter Lenhart, M.D.Ada, MI 493011831170646
  12. Henry Lent, MDTrenton, MI 481831346970068
  13. Joyce Leon, M.D.Wyandotte, MI 481921225005002
  14. Stephen Leonard, M.D.Iron Mountain, MI 498011346223278
  15. Lucia Leone, D.O.Trenton, MI 481831467464834
  16. Eric Lerman, MDFarmington Hills, MI 483341366432114
  17. Ruth Lerman, MDRoyal Oak, MI 480731730102195
  18. Stephen Lerner, MDDetroit, MI 482011881634343
  19. Hernan Lescay, MDMuskegon, MI 494411154322477
  20. Joseph Lessard, D.O.Traverse City, MI 496841306891403
  21. Nicholas Lettner-Knowlton, MDSaginaw, MI 486011356075147
  22. Sonia LeungAnn Arbor, MI 481051689837197
  23. Deborah Levan, DOWarren, MI 480931700885407
  24. Nicholas Leventis, DOMonroe, MI 481621609443530
  25. Jonathan Levi, M.D.Cadillac, MI 496011538155023
  26. Murray Levin, M.D.Bloomfield Hills, MI 483021285633495
  27. Deborah Levine, MDAnn Arbor, MI 481091760410393
  28. Diane Levine, MDDetroit, MI 482011114964608
  29. Seth Levine, D.OCommerce Township, MI 483821174754659
  30. Gerald Levinson, D.O.Farmington Hills, MI 483341295749471
  31. Joseph Levy, MDDetroit, MI 482011376556464
  32. Kathryn Levy, MDAnn Arbor, MI 481091841636982
  33. Christopher Lewandowski, M.D.Detroit, MI 482021881768398
  34. Jennifer Lewandowski, M.D.Royal Oak, MI 480731750516498
  35. Lena Lewis, MDRoyal Oak, MI 480731740118504
  36. Raja Lewis, MDSterling Heights, MI 483101558479469
  37. Ryanne LewisSaginaw, MI 486021447194451
  38. Scott Lewis, M.D.Farmington Hills, MI 483341245215573
  39. Changxin Li, M.D.Gaylord, MI 497351114958899
  40. Li Li, M.D.Livonia, MI 481521104850551
  41. Thomas Li, M.D.W Bloomfield, MI 483231649224403
  42. Zhi LiLansing, MI 489121659769107
  43. Yaqian Liao, M.D.Detroit, MI 482361760170310
  44. Karrin Licht, M.D.Alpena, MI 497071780620070
  45. Stephen Lichtenstein, MDAnn Arbor, MI 481091093246852
  46. Felix Liddell, M.D.Detroit, MI 482191386737708
  47. Leedor LiebermanFarmington Hills, MI 483341548796881
  48. Danielle Light, MDWyoming, MI 495191154368660
  49. Miles Light, MDSaginaw, MI 486031851384457
  50. Marissa Lightbourne, MDDetroit, MI 482011811218233

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.