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 30 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. Ibinabo Dede, MDBloomington, IL 617011730765272
  2. Rupel Dedhia, M.D.Chicago, IL 606121023264371
  3. Daniel Deem, M.D.Mahomet, IL 618531487948386
  4. Vaishali Deenadayalan, MDChicago, IL 606121710550447
  5. Rahul Deepankar, MDBradley, IL 609151376503045
  6. Rekik DegefBerwyn, IL 604021003651209
  7. Susan Deguide, M.D.Rockford, IL 611031609801224
  8. Pedro Deguzman, MDLoves Park, IL 611111902834229
  9. Samuel Deguzman, MDKankakee, IL 609011235103532
  10. Yalda Dehghan, MDChicago, IL 606111407433634
  11. Joshua Dein, MDChicago, IL 606121396484382
  12. Khrystyna Deka, MDBuffalo Grove, IL 600891053051110
  13. Arnold Del Pilar, DOChicago, IL 606121790461739
  14. Anthony Del Priore, M.D.Chicago, IL 606161275888216
  15. Judy Emil Dela Cruz, M.D.Chicago, IL 606121104171347
  16. Humberto Deleon, MDBurbank, IL 604591043263957
  17. Jonathan Delew, M.D.Glen Ellyn, IL 601371629060710
  18. Celso Delmundo, M.D.Chicago, IL 606591407055288
  19. Anthony Delorenzo, D.O.Willowbrook, IL 605271851477236
  20. Chris Tara Delos Reyes, M.D.Chicago, IL 606571558673228
  21. Richard Delvalle, M.D.Taylorville, IL 625681932290384
  22. Lela Demeter, MDPalos Heights, IL 604631285763607
  23. Nicholas DemetriouMaywood, IL 601531538830724
  24. Matt DemirSpringfield, IL 627021467347112
  25. Greg Denenberg, MDGlenview, IL 600261235185299
  26. Charles Dennis, M.D.Bloomington, IL 617041851326508
  27. Daniel Dennison, M.D.Elmhurst, IL 601261679796668
  28. Kiranjit Deol, MDPlainfield, IL 605441841486198
  29. Allison Depersia, MDEvanston, IL 602011538423371
  30. Donald Depinto, MDHines, IL 601411255354023
  31. Daniel Derman, M.D.Chicago, IL 606111912947458
  32. William Derose, MDOak Lawn, IL 604531386982692
  33. Adam Derrickson, M.D.Scott Afb, IL 622251265525414
  34. Avni DervishiPark Ridge, IL 600681265010045
  35. Aakash DesaiChicago, IL 606161164722062
  36. Ami Desai, M.D.Chicago, IL 606041710097795
  37. Amish Desai, MDBurr Ridge, IL 605271215202429
  38. Ashini Desai, PAPinckneyville, IL 622741821766940
  39. Bela Desai, MDDes Plaines, IL 600161063556991
  40. Charmi Desai, DOBurbank, IL 604591093275943
  41. Foram Desai, M.D.Skokie, IL 600761174722011
  42. Ishver Desai, M.D.Cicero, IL 608041972691962
  43. Manish Desai, D.O.Cicero, IL 608041881699080
  44. Mitul DesaiDeerfield, IL 600151437118361
  45. Nikita DeshpandeChicago, IL 606371972248524
  46. Radhika Deshpande, MBBSSpringfield, IL 627021336761006
  47. Sarada Deshpande, M.D.Chicago, IL 606121730276270
  48. Noelle Desir, MEDICAL STUDENTEvanston, IL 602011730984030
  49. Natasha Desouza, M.D.Springfield, IL 627021881045490
  50. Aradhika Deswal, MDOlympia Fields, IL 604611356085658

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.