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 54 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. Subuhi Humera, D.ODowners Grove, IL 605151639435837
  2. Catherine Huml, MDLincolnshire, IL 600691972893477
  3. Sam Hung, MDMaywood, IL 601531750352753
  4. Kevin Hunt, M.D.Chicago, IL 606021609899913
  5. Robert Hurst, MDBloomingdale, IL 601081972579142
  6. Alexander Hurtado, MDChicago, IL 606111114620937
  7. Aamir HusainChicago, IL 606121902300429
  8. Sarwar Husain, M.D.Chicago, IL 606311215005822
  9. Sherfunnissa Husain, M.D.Chicago, IL 606241649294117
  10. Ahmed Hussain, MDNew Lenox, IL 604511407936974
  11. Asif Hussain, M.DPlainfield, IL 605441760680912
  12. Aysha Hussain, MDMaywood, IL 601531396449138
  13. Ishtiaq Hussain, MDChicago, IL 606401801411434
  14. Mohammed Hussain, MDOlympia Fields, IL 604611942466545
  15. Mujtaba Hussain, MBBSOak Park, IL 603021255993309
  16. Zeeshan Hussain, MDUrbana, IL 618011548007719
  17. Asima Hussaini, MDBourbonnais, IL 609141437110970
  18. Khalid Hussein, MDChicago, IL 606571366121006
  19. Lily Hussein, M.D.Chicago, IL 606121396753505
  20. Rahbia Hussein, MDChicago, IL 606371104404573
  21. Christina Huynh, M.D.Glen Ellyn, IL 601371144584988
  22. David Hwang, MDEvanston, IL 602011659430429
  23. Il-Ran Hwang, M.DChicago, IL 606081346528593
  24. Indrani Hwang, M.D.Evanston, IL 602081659469757
  25. James Hwang, M.D.Chicago, IL 606241134489446
  26. Jennifer Hwang, DOChicago, IL 606371346746864
  27. William Hyde, MDQuincy, IL 623011578598827
  28. Fatima Hyder, MDLong Grove, IL 600471508069212
  29. Suhaib Hyder, MDPark Ridge, IL 600681154125763
  30. Bruce Hyman, M.D.Mundelein, IL 600601316044415
  31. Michael Hyre, MDPeotone, IL 604681083713978
  32. Joshua Ibarra, DOChicago, IL 606121518651983
  33. Eberechukwu Ibe, MDChicago, IL 606431841258043
  34. Danielle Iben, MDMaywood, IL 601531386582641
  35. Rafaello Vincens IbradoPark Ridge, IL 600681962252064
  36. Cecilia Ibrahim, M.D.Orland Park, IL 604671558405647
  37. Hassan Ibrahim, M.D.Tinley Park, IL 604771578562781
  38. Ibukunoluwa IbrahimChicago, IL 606121457299976
  39. Michael IbrahimMaywood, IL 601531639018344
  40. Liza Icayan, M.D.Evanston, IL 602011316922529
  41. Folashade IdowuChicago, IL 606121851289219
  42. Olumuyiwa Idowu, M.D.Chicago, IL 606131538254511
  43. Sinamis Idrei, MDChicago, IL 606251023796356
  44. Syeda Iftikhar, M.D.Libertyville, IL 600481770599938
  45. Josune Iglesias, M.D.Chicago, IL 606121962504597
  46. Jemini Ignacio, MDEast Dundee, IL 601181912993429
  47. Maria Ignacio, M.D.Chicago, IL 606181780607721
  48. Susan Ignatius, MDCarol Stream, IL 601881649374935
  49. Kiran Ijaz, MDElgin, IL 601231407183270
  50. Saima Ijaz, MDChicago, IL 606571811339807

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.