NPPES file of Aug 9, 2026

Internal Medicine Physician in Illinois

7,238 NPPES records list internal medicine physician with a practice address in Illinois, 58 per 100,000 residents, the 9th highest rate of 51. Chicago and Maywood have the most; each record links to the provider's NPI and the Illinois license search. Page 32 of 145.

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).

Chicago has the most, 2,867

  1. Chicago2,867
  2. Maywood257
  3. Springfield196
  4. Evanston178
  5. Oak Lawn173

Internal Medicine Physician records in Illinois

  1. Jessica Diol, MDMaywood, IL 601531275472466
  2. Gemechis Direba, MDUrbana, IL 618011275207045
  3. George Dirkers, M.D.Wood River, IL 620951598880908
  4. Moshe DissenChicago, IL 606571487008389
  5. Anndrea DistorOak Lawn, IL 604531679367361
  6. Aaron Divanne Gabot, M.D.Chicago, IL 606571790151827
  7. Kimberly Dixon, MDChicago, IL 606121295763704
  8. Dolores Dixon-Grevious, MDEvergreen Park, IL 608051023089133
  9. Leoncio Dizon, MDJerseyville, IL 620521114982352
  10. Dragan Djordjevic, MDChicago, IL 606121518992783
  11. Josephine Dlugopolski-Gach, MDMaywood, IL 601531679543151
  12. Jennifer Do, DOPark Ridge, IL 600681588105845
  13. Vincent Doan, DOGrayslake, IL 600301215671391
  14. Bruce Doblin, MDEvanston, IL 602011417903212
  15. Paul Dobria, MDChicago, IL 606401790424232
  16. Dayana Dobrikov, DOChicago, IL 606121235830498
  17. Emily Dobrzynski, DOMaywood, IL 601531588366033
  18. Naran Dodia, MDGilman, IL 609381154401974
  19. Ban Dodin, MDChicago, IL 606371053165761
  20. Diana Doeing, M.D.Chicago, IL 606371730341983
  21. Colleen Doherty, M.D.Chicago, IL 606111093978512
  22. Laurel Doherty, MDGlenview, IL 600251861551657
  23. Mary Doi, MDChicago, IL 606111881678050
  24. Brigid Dolan, M.D.Chicago, IL 606111669672804
  25. Nancy Dolan, MDChicago, IL 606111396814802
  26. Irina Domjan, M.D.Hinsdale, IL 605211578771002
  27. Ashley Donald, MDChicago, IL 606371376472902
  28. Tianyu DongEvanston, IL 602021073160024
  29. Kristen Donigan, D.O.Plainfield, IL 605851558517789
  30. David Donnersberger, MDWinnetka, IL 600931003927948
  31. Meghan Donovan, MDBurbank, IL 604591538665146
  32. Venkata Dontaraju, M.D, MRCPRockford, IL 611141821241084
  33. Ashti Doobay Persaud, M.D.Chicago, IL 606111407023799
  34. Anil Vamsi Doppalapudi, M.DDowners Grove, IL 605151023104015
  35. Asima Doriwala, MDNaperville, IL 605631407146640
  36. Robert Dorman, D.O.Rock Falls, IL 610711184714271
  37. Kody Dormire, DOPeoria, IL 616371083241293
  38. Coby DorseyChicago, IL 606121518756295
  39. John Dorsey, MDRockford, IL 611031144330333
  40. Amish Doshi, M.D.Naperville, IL 605401578903613
  41. Renu Dosi, M.D.Freeport, IL 610321073522140
  42. Sara Doss, M.D.Woodridge, IL 605171770747743
  43. Cam Dossey, MDChampaign, IL 618221275359531
  44. Rolland Doubleday, M.D., P.E.Springfield, IL 627021689117681
  45. Sarah Dougherty, MDChicago, IL 606111437735339
  46. Amber Douglas, DOGlenview, IL 600251891318804
  47. Dylan Douglas, MDChicago, IL 606371902426026
  48. Nastasia Douyon, M.D.Peoria, IL 616371235424151
  49. Facundo Dovale, MDCrest Hill, IL 604031689798696
  50. Jonathan Dowd, MDChicago, IL 606371205329489

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 9 of 51 per resident

  1. Hawaii63
  2. New York62
  3. Delaware58
  4. Illinois58
  5. Michigan57
  6. Pennsylvania56
  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.

72.5% 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. Illinois72.5%
  2. United States78.7%

Internal Medicine Physician records in Illinois, measured

  • In a Medicare file5,251 of 7,238 · 72.5% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file3,584 · 49.5% here, 61.4% nationally
  • Not updated in five years or more3,434 · 47.4% here, 55.4% nationally
  • Median graduation year2003 · the 3,580 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

7,238 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Illinois: 58 per 100,000 residents against 44 nationally (50 states and D.C.). Chicago has 2,867 of them (40%).

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. Pennsylvania7,300
  2. Massachusetts6,825
  3. Michigan5,735
  4. Texas9,175

States with a similar rate per 100,000

  1. Delaware58.1
  2. New York61.7
  3. Hawaii62.9
  4. Maryland63.2

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.