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 36 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. Shayet Hossain Eshan, MDChicago, IL 606571588276620
  2. Hussam Eskandafi, M.DOak Park, IL 603021013362334
  3. Samantha EskandarOak Lawn, IL 604531336089838
  4. Alan Esker, MDFreeport, IL 610321831159698
  5. Lena Eskin, MDChicago, IL 606121710560156
  6. Veronica Esmero, DOChicago, IL 606121649685033
  7. Kyle Espejo, MDChicago, IL 606121366284242
  8. Edwin Espinosa, MDBartlett, IL 601031205801354
  9. Gustavo Espinoza Mercado, MDChicago, IL 606081376276378
  10. Thomas Esposito, DOChicago, IL 606371548720501
  11. Elyse Esrig, M.D.Chicago, IL 606031356388201
  12. Januario Estrada, M.D.Hoffman Estates, IL 601941356358873
  13. Efren Estrella, M.D.Gurnee, IL 600311053341172
  14. Elias Eteshola, MD, PHDChicago, IL 606111710789243
  15. Margarita Etingen, MDArlington Heights, IL 600051982881710
  16. Beauty Etukudoh, MDPark Ridge, IL 600681114759396
  17. Kathryn Eubanks, MDMount Prospect, IL 600561487638763
  18. Harold EulienChicago, IL 606571700877222
  19. Peter Eupierre, M.D.Melrose Park, IL 601601528069481
  20. Anjelika Evangelopoulos, M.D.Chicago, IL 606571699452722
  21. Daniel Evans, MDChicago, IL 606111881620862
  22. Denis Evans, M.D.Chicago, IL 606121952385841
  23. Joshua Evans, M.D.Maywood, IL 601531437386216
  24. Thelma Evans, M.D.Chicago, IL 606431184659336
  25. Greg Ewert, M.D.Chicago, IL 606041376591974
  26. Dolly Ewili, MDChicago, IL 606571891468039
  27. Jeffrey Eye, MDElk Grove Village, IL 600071780662460
  28. Emeka Eze, M.D.Chicago, IL 606171811920036
  29. Ijeamaka Ezebilo, MDCarbondale, IL 629011760010649
  30. Nkeiruka Ezenduka, M.D.North Chicago, IL 600641811379175
  31. Adeshola Ezeokoli, MDChicago, IL 606161003121922
  32. Chukwudozie Ezeokoli, MDChicago, IL 606231881838159
  33. Chukwuemeka Ezike, MDChicago, IL 606121760423552
  34. Nanette Fabi, M.D.Lansing, IL 604381548269228
  35. Diane Fabrizius, MDElmhurst, IL 601261104922285
  36. Ryan Fabrizius, M.D.Chicago, IL 606231851683122
  37. Desiree Fabros-Munez, M.D.Chicago, IL 606181609800697
  38. Oladipo Fagbemi, MDChicago, IL 606121750078226
  39. Mandana Faghani, MDMelrose Park, IL 601601558667170
  40. Haydan FahrenholtzHighland, IL 622491578434106
  41. Zachary Fainman, M.D.Park Ridge, IL 600681760503684
  42. Omar Fakhoury, DOMcHenry, IL 600501306536149
  43. Khwaila FalanehBurbank, IL 604591699271445
  44. Suzanne FalckChicago, IL 606121912011875
  45. Thomas Falls, M.D.Chicago, IL 606611801984240
  46. Fanan Falouji, M.D.Vernon Hills, IL 600611306855481
  47. James FanChicago, IL 606371376282467
  48. Celestia FangChicago, IL 606111528423712
  49. Vincent Fang, MDVernon Hills, IL 600611851450654
  50. Behzad Farah, MDBarrington, IL 600101689630915

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.