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 40 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. Eugene Gaertner, MDFreeport, IL 610321053387472
  2. Zachary Gaertner, MD, PHDChicago, IL 606111326594193
  3. Sam Gaines, M.D.Normal, IL 617611730115643
  4. Suman Gaire, MDChicago, IL 606081578292355
  5. Malgorzata Gajda, MDOak Lawn, IL 604531548285042
  6. Namrata Gajjala, MBBSUrbana, IL 618011336030543
  7. Rohan Gajjar, MDChicago, IL 606121295478550
  8. Parag Gajurel, MDChicago, IL 606081043913783
  9. Sabin Gajurel, MDChicago, IL 606081669089306
  10. Noreen Galanter, MDArlington Heights, IL 600041871514562
  11. William GalanterChicago, IL 606121972617843
  12. Eric Gale, M.D.Dixon, IL 610211093802944
  13. Paul Gale, MDEvanston, IL 602011285736686
  14. Doron Galili, M.D.Arlington Heights, IL 600051215160320
  15. Jesus Galindo Castaneda, M.D.McHenry, IL 600501912695800
  16. Patrick Gallagher, M.D.Chicago, IL 606121669735650
  17. Thomas Gallagher, MDHinsdale, IL 605211467427641
  18. Steven Gallo, MDChicago, IL 606111548253024
  19. Jose Galvez, MDChicago, IL 606401679003735
  20. Gerald Gamalski, MDGurnee, IL 600311679617716
  21. George Gancayco, M.D.Crystal Lake, IL 600141477566834
  22. Mohammed Gandam, MDRockford, IL 611041417584699
  23. Adarsh Gande, MBBSChicago, IL 606121114858255
  24. Prafull Gandhi, MDSchaumburg, IL 601731841391042
  25. Niren Gandra, M.D.Chicago, IL 606371003126020
  26. Dhana Ganesan, MDRiver Forest, IL 603051831114560
  27. Previn Ganesan, MDChicago, IL 606111912533936
  28. Ananya Gangopadhyaya, M.D.Chicago, IL 606371083869036
  29. Sirisha Ganji, MDRockford, IL 611141093279317
  30. Anubha Ganjoo, M.DChicago, IL 606221316294978
  31. Kartik GannamaneniBerwyn, IL 604021821801671
  32. Rajyalakshmi Gannu, MDNorth Chicago, IL 600641770600769
  33. Pamela Ganschow, MDChicago, IL 606121558398008
  34. Oksana GanymovychChicago, IL 606081750239117
  35. Jing GaoChicago, IL 606111639696875
  36. Lianghe Gao, M.D.Urbana, IL 618011700141819
  37. Lizhu Gao, M.D.Palos Heights, IL 604631790867521
  38. Siva Garapati, MDSpringfield, IL 627021932031549
  39. Jeffrey Garb, M.D.Elgin, IL 601231023063237
  40. Rebecca GarberChicago, IL 606121477132066
  41. Ann Garcelon, M.D.Chicago, IL 606291750364212
  42. Carol Garcia, MDChicago, IL 606111801590674
  43. Diana GarciaChicago, IL 606121285422246
  44. Marlon Garcia, M.D.Chicago, IL 606121801102058
  45. Olga Garcia, MDBerwyn, IL 604021508899436
  46. Priscilla GarciaChicago, IL 606121043898414
  47. Ramon Garcia, M.DChicago, IL 606471235295999
  48. Ramon Garcia, MDGalesburg, IL 614011710928700
  49. Otto Garcia Montenegro, M.D.Chicago, IL 606391790773992
  50. Syed Karam GardeziMaywood, IL 601531659803716

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.