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 55 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. Sadia Ijlaluddin, M.D.Champaign, IL 618221912177023
  2. Chidubem IkeChicago, IL 606121649965997
  3. Eustacia Ikeri, MDBerwyn, IL 604021598512717
  4. Chimamaka Ikoro, MDChicago, IL 606571487490389
  5. Chinyere Ikwu, M.D.Chicago, IL 606571740656008
  6. Shahid Ilahi, M.D.Lake Barrington, IL 600101508867078
  7. Shams Ilahi, MDPeoria, IL 616361801058409
  8. Chinwendu Ileka, MDChicago, IL 606401306332895
  9. Ayodeji Ilelaboye, MDChicago, IL 606121558199786
  10. Zvezdana Ilic Bogojevic, M.D.Lisle, IL 605321104159896
  11. Ionut Ilie, M.D.Chicago, IL 606121619926383
  12. Sidra Ilyas, M.D.Springfield, IL 627021801322136
  13. Aisha Imam, DOPark Ridge, IL 600681487230322
  14. Sibgutallah Imdad, DOEvanston, IL 602011124871231
  15. Ayesha Imran, M.D.North Chicago, IL 600641821150442
  16. Muhammed Imran, M.DChicago, IL 606121215962071
  17. Zeeshan Imtiaz, MBBSUrbana, IL 618011427971191
  18. Ramon Inciong, MDOglesby, IL 613481891707998
  19. Brian Ing, MDMaywood, IL 601531528133907
  20. Laura Beth Ingalsbe, RNSpringfield, IL 627021548001357
  21. Kara Ingram, MDChicago, IL 606121952235418
  22. Reniell IniguezChicago, IL 606111447952114
  23. Kenneth InoueBloomington, IL 617011053403626
  24. Hamilcar Intengan, MDChicago, IL 606211992870422
  25. Julia Iourinets, MDEvanston, IL 602011912690504
  26. Gigi Ip, MDDowners Grove, IL 605151376519777
  27. Ayesha Iqbal, MBBSSkokie, IL 600771407012644
  28. Farzana Iqbal, M.D.Burr Ridge, IL 605271851359939
  29. Hina Iqbal, MDOak Lawn, IL 604531548586845
  30. Robina Iqbal, M.D.Hoffman Estates, IL 601691760788376
  31. Cliff Ireland, D.O.Skokie, IL 600771952365116
  32. Aline Irihamye, MDChicago, IL 606121831830124
  33. Emanuel Irizarry Berrios, MDChicago, IL 606121710564554
  34. Sharon Irons, M.D.Chicago, IL 606121629009303
  35. Jennis Iruke, MDRockford, IL 611081558538041
  36. Richard IrvingPark Ridge, IL 600681568111417
  37. Mark Irwin, M.D.Belleville, IL 622231366433567
  38. Allison Isabelli, DO, MAOak Lawn, IL 604531023713781
  39. Mamdouh Ishak, MDArlington Heights, IL 600051275612343
  40. Hamza Ishfaq, M.DChicago, IL 606571548836521
  41. Ashraf Iskander, MDPlainfield, IL 605861437167541
  42. Manar Ismail, MDChicago, IL 606161639866635
  43. Mohamed Ismail, MBBCHChicago, IL 606571760019947
  44. Shemariah Israel, MDMattoon, IL 619381811560881
  45. Rasha Issa, M.D.Westmont, IL 605591639412745
  46. Rochell IssaChicago, IL 606371437806262
  47. Aleksandra Ivanovic, MDChicago, IL 606401477546711
  48. Jacqueline Ivey-Brown, M.D.Oak Lawn, IL 604531023299435
  49. Shobha Iyengar, M.D.Belvidere, IL 610081891724241
  50. Mihika Iyer, DOOak Lawn, IL 604531912848631

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.