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 66 of 145.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · method

Chicago has the most, 2,867

Internal Medicine Physician records in Illinois

  1. Panayota Kleinman, MDArlington Heights, IL 600051962407916
  2. Diana Kline, MDChicago, IL 606111194663591
  3. Meredith KlineChicago, IL 606371700537115
  4. Natalia Klisch, DOPark Ridge, IL 600681710781869
  5. Elisabeth Klor Gross, MDChicago, IL 606141609879279
  6. Allison Klotzbuecher, D.O.Libertyville, IL 600481437170552
  7. Alexander Kmicikewycz, MDPalos Heights, IL 604631710097779
  8. Lawrence Kneezel, M.D.Bloomington, IL 617041336174580
  9. Rebecca Knight, M.D., L.M.T.Peoria, IL 616141437261047
  10. Robert Knight, M.D.Urbana, IL 618011962936047
  11. Judith Knipple, M.D.Rolling Meadows, IL 600081265426381
  12. Jared Ko, M.D.Huntley, IL 601421952369753
  13. Jungyun KoEvanston, IL 602011538950951
  14. Anthony Kocalis, M.D.Chicago, IL 606251609906981
  15. Ellen Kochman-Simon, M.D.Bartlett, IL 601031720195100
  16. Jordan Koczenasz, MDMaywood, IL 601531003675315
  17. Abhigna Kodali, M.D.Chicago, IL 606121548619182
  18. Sheena Reddy Kodavaluru, M.D.Berwyn, IL 604021033470919
  19. Pramoda Koduru, M.DChicago, IL 606121992090542
  20. Pranathi Koduru, M.DQuincy, IL 623011366721441
  21. Lynn Koehler, MDHomer Glen, IL 604911083606628
  22. Edward Kogan, M.D.Hoffman Estates, IL 601691710994215
  23. Julia Kogan, MDLindenhurst, IL 600461790876589
  24. Mandeep Kohli, D.OBloomingdale, IL 601081447286497
  25. Maninder Kohli, M.D.Hinsdale, IL 605211851390348
  26. Saksham Kohli, MBBSChicago, IL 606121861224537
  27. Suparna Kohli, MDDecatur, IL 625261629277801
  28. Prithul Koirala, MDEvanston, IL 602021396463212
  29. Elizabeth KojakPark Ridge, IL 600681538954656
  30. Albene Kokocinski, MDChicago, IL 606121053346221
  31. Brian Kokta, MDChicago, IL 606121841032588
  32. Subramaniam Kolandaivelu, M.D.Clinton, IL 617271770509671
  33. Scott Kolbaba, MDWheaton, IL 601871396776613
  34. Elias Koliopoulos, M.D.Hinsdale, IL 605211003074519
  35. Vijay KolliparaSpringfield, IL 627021043146988
  36. Patrick Kollman, MDChicago, IL 606371700727963
  37. Lavanya Kolluri, M.D.Springfield, IL 627041043255144
  38. Michael Kolozsvary-Kiss, M.D.Lake Forest, IL 600451760829733
  39. Hanumantha Kolusu, M.D.Moline, IL 612651831159409
  40. Irina KomissarovaChicago, IL 606121871119172
  41. Sravani KommuruChicago, IL 606081316863418
  42. Koushik Kondapi, MDChicago, IL 606121013529916
  43. Eric Kong, MDSpringfield, IL 627011952094872
  44. Nathan KongChicago, IL 606371962877456
  45. Anthony Konold, MDChicago, IL 606171972161156
  46. Christian Konopka, MDSpringfield, IL 627691629709712
  47. Christopher Konstantelos, M.DChicago, IL 606401952330243
  48. Dedeepya Konuthula, M.D.Chicago, IL 606371780176610
  49. Jah-Won Koo, M.D.Chicago, IL 606121235241837
  50. Myounghee Koo, M.D.Hines, IL 601411265579312

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.