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 3 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. Arnold Agapito, MDMattoon, IL 619381467421677
  2. Shubham AgarwalNorth Chicago, IL 600641326690181
  3. Neha Aggarwal, MDChicago, IL 606111366245615
  4. Nidhi Aggarwal, M.D.Chicago, IL 606121740368208
  5. Ramesh Aggarwal, MDBellwood, IL 601041649458712
  6. Sachin AggarwalSpringfield, IL 627691841939840
  7. Arsenio Agngarayngay, M.D.Chicago, IL 606121902925977
  8. Francis Agnoli, M.D.Hinsdale, IL 605211699752741
  9. Ankita Agrawal, M.D.Chicago, IL 606571033899166
  10. Pranjal Agrawal, M.D.Dixon, IL 610211174723290
  11. Jhalak Agrohi, MDChicago, IL 606121992697262
  12. Rodolfo Aguilar GuerreroChicago, IL 606081932888146
  13. Eric Aguinaldo, DOBlue Island, IL 604061720374002
  14. Thordur Agustsson, MDRockford, IL 611071790895977
  15. Hardeep Ahdi, D.O.Park Ridge, IL 600681346878055
  16. Neerja Ahlowalia, MDChicago, IL 606171508850439
  17. Aneet Ahluwalia, M.D.Chicago, IL 606121538285416
  18. Daksh Ahluwalia, MDChicago, IL 606121245979830
  19. Deepali Ahluwalia, M.DGlenview, IL 600261326202276
  20. Nalini Ahluwalia, MDChicago, IL 606601912032780
  21. Saroj Ahluwalia, MDDekalb, IL 601151235117409
  22. Ahmad Ahmad, M.D.Decatur, IL 625211053397018
  23. Anis Ahmad, M.D., F.R.C.P.Moline, IL 612651174511661
  24. Haleema Ahmad, DOSpringfield, IL 627021396670808
  25. Ijaz Ahmad, M.D.Chicago, IL 606171861538712
  26. Kirun Ahmad, D.O.Marion, IL 629591992966873
  27. Muhammad Ahmad, M.DChicago, IL 606311467832691
  28. Muhammad Ahmad, M.D.Chicago, IL 606571407422629
  29. Nadeem Ahmad, MDFrankfort, IL 604231700868023
  30. Shakeel Ahmad, M.D.Sycamore, IL 601781891704029
  31. Syed Ahmad, MDChicago, IL 606571659987683
  32. Tanveer Ahmad, MDMarengo, IL 601521093811374
  33. Usama Ahmad, M.D.Chicago, IL 606121134412927
  34. Wakas Ahmad, D.O.New Lenox, IL 604511447446521
  35. Waqas Ahmad, MDRockford, IL 611071316300247
  36. Yumna Ahmad, MDNaperville, IL 605631952938284
  37. Abdelwahab AhmedChicago, IL 606111154996783
  38. Aisha Ahmed, MDOak Lawn, IL 604531033969886
  39. Anosh Ahmed, M.DChicago, IL 606081649658998
  40. Azazuddin Ahmed, M.D.Chicago, IL 606121073732459
  41. Aziz Ahmed, M.D.Chicago, IL 606121962532044
  42. Bilal AhmedPark Ridge, IL 600681073308821
  43. Bushra Ahmed, MDUrbana, IL 618011598408635
  44. Faisal Ahmed, M.D.Peoria, IL 616141477678928
  45. Faiza Ahmed, MDLong Grove, IL 600471912561242
  46. Faiza Ahmed, MDEast Dundee, IL 601181265718886
  47. Fatima Ahmed, DOHines, IL 601411275706764
  48. Iffat Ahmed, D.O.Naperville, IL 605641063668192
  49. Ihab Ahmed, MDHuntley, IL 601421740636497
  50. Iram Ahmed, MDLombard, IL 601481639383631

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.