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 132 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. Sofia Tirovolas, M.D.Arlington Heights, IL 600051437366838
  2. Jamie Titen, DOEvanston, IL 602011205256492
  3. Kanchan Tiwari, MDMorris, IL 604501295197481
  4. Nidhi Tiwari, M.D.Aurora, IL 605041053415067
  5. Claudia Tiwet, MDGurnee, IL 600311114094646
  6. Joanne Tobacman, M.D.Chicago, IL 606121790732501
  7. Nader Tobia, M.D.Park Forest, IL 604661831175447
  8. James Tobin, M.D.Rockford, IL 611141750812145
  9. Kirby Tobin, DOPeoria, IL 616371053934885
  10. Kristen Tobin Vealey, M.D.Oak Park, IL 603021003105511
  11. Serge Toguem, M.D.Chicago, IL 606171528405982
  12. Benjamin Toh, MDChicago, IL 606071750313177
  13. Ashish Tokhi, M.D.Springfield, IL 627021811151806
  14. Sonya Tolani, M.D.Lisle, IL 605321215986997
  15. Nicholas TolatQuincy, IL 623011023577939
  16. Koricho Simie Tolla, MDChicago, IL 606571770403370
  17. Jeffrey Tomaszewski, MDGlen Ellyn, IL 601371831150036
  18. Kenneth Tomchik, MDWoodstock, IL 600981629090972
  19. Nicole Tomczuk, DODeerfield, IL 600151649920588
  20. Jeffrey Tomlin, M.D.McHenry, IL 600501639163850
  21. Cerin Tomson, MDMaywood, IL 601531275274771
  22. Sara Tonini, MDChicago, IL 606371912676966
  23. Prasuna Toomganti, M.DChicago, IL 606311811061567
  24. Alfred Torrence, MDWinnetka, IL 600931225168115
  25. Jaime Torres, M.D.Chicago, IL 606161699193383
  26. Rafael Torres, MDChicago, IL 606121134068711
  27. Thalia Torres, MDChicago, IL 606111043637259
  28. Michael Torres Lizardi, MDChicago, IL 606371326440496
  29. Patrick TosettiChicago, IL 606111508831470
  30. Gregory Totel, M.D.Decatur, IL 625261558470690
  31. William ToturaMaywood, IL 601531841041951
  32. Kristi Tough Desapri, M.D.Winnetka, IL 600931003057936
  33. Karim Tourk, M.D.Naperville, IL 605631679569347
  34. Andrew Tout, MDChicago, IL 606111891322293
  35. Patrick Towne, MDWinfield, IL 601901568484012
  36. Winston Townsend, MDSpringfield, IL 627041003889411
  37. Sewanu ToyonChicago, IL 606121972392348
  38. Mais Trabolsi, MDElmhurst, IL 601261154563914
  39. Skye TraceyChicago, IL 606371740121078
  40. Gary Trager, M.D.Joliet, IL 604351982646535
  41. Benjamin Traisman, DOChicago, IL 606121740869064
  42. Eldon Trame, M.D.Belleville, IL 622231033192299
  43. Douglas Tran, MDNaperville, IL 605641144270976
  44. Hoang TranChicago, IL 606121790446151
  45. Kim TranChicago, IL 606121255188892
  46. Lindon TranChicago, IL 606371780487280
  47. Nancy Tran, M.D.Oak Brook, IL 605231457393209
  48. Phuong Tran, M.D.Chicago, IL 606401821137142
  49. Thuy-Anh Tran, D.OHines, IL 601411336180694
  50. Vivan Tran, MDSpringfield, IL 627811144439944

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.