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 39 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. Kathleen Fournier, MDBelleville, IL 622261023088903
  2. David Fox, M.D.Chicago, IL 606111760610067
  3. John Fox, MDPalatine, IL 600671619073145
  4. Steven Fox, MDEvanston, IL 602011821032210
  5. Olivia Foy, MDPark Ridge, IL 600681336999804
  6. Lariven Franada, D.O.Pekin, IL 615541023334596
  7. Lee Francis, M.D.Chicago, IL 606221114959913
  8. Beatriz Maria Franco Hondermann, MDMaywood, IL 601531407691934
  9. Andre Francois, M.D.Bloomington, IL 617011790070837
  10. Gerald Frank, MDGurnee, IL 600311912043787
  11. Douglas Frankel, M.D.Mount Vernon, IL 628641215142310
  12. Cory Franklin, M.D.Chicago, IL 606121902831456
  13. Malcolm Franklin, M.D.Plainfield, IL 605441043280589
  14. Pamela Franklin, MDChicago, IL 606081700938420
  15. William Franklin, M.D.Decatur, IL 625261407813389
  16. Zackary Franzen, MDRockford, IL 611081851851018
  17. Michael Frasca, M.D.Peoria, IL 616051942318266
  18. Benjamin Freedman, MDEvanston, IL 602011235987868
  19. Lee Freedman, MDHighland Park, IL 600351497708556
  20. Eric Freeman, MDChicago, IL 606121013768043
  21. Julian Freeman, M.D.Highland Park, IL 600351770140006
  22. Robert Freilich, MDHighland Park, IL 600351528066347
  23. Neel French, MDChicago, IL 606141417069659
  24. Erin Friedman, D.O.Millstadt, IL 622601356557698
  25. Jordana Friedman, MDChicago, IL 606111730119066
  26. Marisa Friscia, MDMattoon, IL 619381568657328
  27. Kathryn Fritz, MDMaywood, IL 601531750084638
  28. Alexandra Frogameni, M.D.Winfield, IL 601901669736583
  29. Margaret Fruhbauer, DOBuffalo Grove, IL 600891851557102
  30. Mary Fry, MDChicago, IL 606571801996368
  31. Alan Frydman, MDGlenview, IL 600261205903275
  32. Elizabeth Frye, MDMaywood, IL 601531295709509
  33. Brandon Fryza, MDChicago, IL 606121396309936
  34. Joseph FuchsChicago, IL 606111487230900
  35. Yatzel Fuentes Rosa, MD, MBAItasca, IL 601431295353282
  36. Roger Fulton, MDHighland, IL 622491972542488
  37. John Fultz, M.D.Evanston, IL 602011679664163
  38. Ana Fung-Cap, D.O.Evergreen Park, IL 608051871505669
  39. Arthur Funk, M.D.Chicago, IL 606051750573465
  40. Christy Furey, MDWestern Sprgs, IL 605581699859470
  41. Peter Furey, M.D.Naperville, IL 605631609859289
  42. Warren Furey, M.D.Chicago, IL 606111528010188
  43. Elisabeth FurlongMaywood, IL 601531710735139
  44. Matthew Gabriel, MDEvanston, IL 602011356180368
  45. Andrzej Gacek, M.D.Chicago, IL 606461871543694
  46. Rajeshwari Gadagkar, MDMoline, IL 612651316919889
  47. Sai Prasad Gadapa, M.D.Chicago, IL 606081801296397
  48. Vinuthna Gaddam, MBBSChicago, IL 606571619671492
  49. Neel Gadhoke, MDMaywood, IL 601531437919750
  50. Mariusz Gadula, MDOak Lawn, IL 604531548292832

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.