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 58 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. Ernst Junior Joachim, M.D.Oak Lawn, IL 604531134822315
  2. Kiran Joag, M.D.Mattoon, IL 619381013023258
  3. Shilpa Joglekar, M.D.Niles, IL 607141225087174
  4. Viju John, M.D.Chicago, IL 606121831201433
  5. Ashira Johnson, MDElmwood Park, IL 607071043400401
  6. Carl Johnson, M.D.Mattoon, IL 619381275525701
  7. Catherine Johnson, D.O.Elk Grove Village, IL 600071144247784
  8. Darius JohnsonChicago, IL 606121174475537
  9. Elli Johnson, MDChicago, IL 606121912832700
  10. Hillary Johnson, M.D.Chicago, IL 606161679596498
  11. Jessica JohnsonUrbana, IL 618011366838112
  12. Norman Johnson, M.D.Peoria, IL 616141730295692
  13. Philip Johnson, M.D.Urbana, IL 618021710902127
  14. Scott JohnsonChicago, IL 606121144916156
  15. Sharon JohnsonChicago, IL 606421710737119
  16. Veronica Johnson, M.D.Chicago, IL 606111033536412
  17. William Johnson, MDChicago, IL 606431255381307
  18. Chad Johnston, MDDu Quoin, IL 628321538239520
  19. Charles Johnston, MDOak Park, IL 603021831288422
  20. Hannah JohnstonChicago, IL 606371982285292
  21. Philip Johnston, MDMaywood, IL 601531992509152
  22. Srinivas-Prasad Jolepalem, M.D.Darien, IL 605611568531564
  23. Kara Jolly, MDMattoon, IL 619381659831071
  24. Ketan Jolly, MDChicago, IL 606121639018179
  25. Cameran Jones, MDMaywood, IL 601531487413613
  26. Caroline Jones, MDEvanston, IL 602011326669755
  27. Cicily Jones, MDNaperville, IL 605631255396511
  28. D'Andrienne Jones, MDAlton, IL 620021760455661
  29. Dorothy Jones, MDMatteson, IL 604431336189869
  30. Ian Jones, DOChicago, IL 606121679499602
  31. Kermit Jones, M.D.Chicago, IL 606121194821769
  32. Sabrina Jones, M.D.Bannockburn, IL 600151518371889
  33. Sarah Jorgenson, M.D.Chicago, IL 606181205281706
  34. Amulya Joseph, MDChicago, IL 606111740930965
  35. Joselyn Joseph, MDUrbana, IL 618011003068024
  36. Judy Joseph, M.D.Lincolnwood, IL 607121346294642
  37. Manju Joseph, M.D.Naperville, IL 605401881601664
  38. Melwin Joseph, DOWestmont, IL 605591245720671
  39. Thomas Joseph, MDOak Lawn, IL 604531457734808
  40. Thomas Joseph, M.D.Evergreen Park, IL 608051306836663
  41. Shreeya JosheeChicago, IL 606371437902699
  42. Anjali Joshi, M.D.Oak Lawn, IL 604531881983575
  43. Dhruv Joshi, DOKankakee, IL 609011659990505
  44. Divyang Joshi, MDElgin, IL 601231528053568
  45. Jigar Joshi, MBBS, MD, HMDCChicago, IL 606081336416767
  46. Kirit Joshi, MDChicago, IL 606251700985777
  47. Kundan Joshi, MDChicago, IL 606121881452266
  48. Sanjeev Joshi, M.D.Olympia Fields, IL 604611962467563
  49. Tilak Joshi, MDChicago, IL 606081730364522
  50. Alec JotteChicago, IL 606121962172742

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.