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 35 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. Yassein Elhussein, MDChicago, IL 606401437049798
  2. Gennadiy Elikman, MDPark Ridge, IL 600681508022005
  3. Helen Eliopoulos, MDGlenview, IL 600251932823705
  4. Osama Elkelany, MDHickory Hills, IL 604571417698796
  5. Mohamed Elkhouly, M.D.Chicago, IL 606121962855569
  6. Michael Ellenbogen, M.D.Chicago, IL 606111336433697
  7. Glynn Elliott, MDWilmette, IL 600911366481426
  8. Lorrie Elliott, M.D.Chicago, IL 606401265474191
  9. Marie Ellis, DOBurbank, IL 604591639631583
  10. Maceo Ellison, M.D.Carol Stream, IL 601881700025541
  11. Brandon Ellsworth, MD MSCChicago, IL 606111053014829
  12. Alexander Ellyin, MDPark Ridge, IL 600681083471700
  13. Suhaib EllythyChicago, IL 606121952142333
  14. Yansoun Elmasry, MDSpringfield, IL 627021740856558
  15. Megan ElmesOak Lawn, IL 604531376395152
  16. Steve Elmosa, D.O.Burbank, IL 604591710128806
  17. Alina Elperin, M.D.Highland Park, IL 600351477831931
  18. Ahmed Elrakhawy, M.D.Urbana, IL 618021306838503
  19. Assad Elsheikh, MDSpringfield, IL 627021083507941
  20. Salman ElturkiMaywood, IL 601531558039537
  21. Linus Ema, DOChicago, IL 606161891728010
  22. Vamsi Emani, M.D.Peoria, IL 616371841599768
  23. Linda Emanuel, M.D., PH.D.Evanston, IL 602021144645987
  24. Kevin Embach, M.D.Maywood, IL 601531437151974
  25. Barbara Emery-Stolzer, MDNaperville, IL 605631982698841
  26. Edgardo Emilia, MDMount Vernon, IL 628641710950217
  27. Joseph Emmons, M.D.Woodstock, IL 600981407804586
  28. Kelechi Emuchay, MDRomeoville, IL 604461215687504
  29. Ngozi Emuchay, MDChicago, IL 606121588026348
  30. Aura Enache, MDChicago, IL 606121093640443
  31. John English, M.D.Swansea, IL 622261912347790
  32. Kalyn English, D.O.Berwyn, IL 604021902298052
  33. Elizabeth Engman, MDChicago, IL 606111730121526
  34. Mandy Enshiwat, M.D.Oak Lawn, IL 604531003143231
  35. Muna Enshiwat-Salman, M.D.Hinsdale, IL 605211184679110
  36. Rediat EphremChicago, IL 606121790527224
  37. Stephen Epner, MDJoliet, IL 604351114047115
  38. Annu Eranki, MDOak Lawn, IL 604531497107338
  39. Efe Erhus, MBBSChicago, IL 606121669203444
  40. Carolyn Erickson, M.D.Chicago, IL 606111043572126
  41. Christine Erickson, MDHines, IL 601411336183912
  42. Keaton Erickson, MDChicago, IL 606371598278129
  43. James Erlenborn, M.D.Wheaton, IL 601871982864377
  44. Susan Erlenborn, M.D.Chicago, IL 606241265524656
  45. Seyma Eroglu, MDChicago, IL 606401467062190
  46. Yolanda Escalona, D.O.Palatine, IL 600741598817645
  47. Lindsay Esch, M.D.Crystal Lake, IL 600121407110034
  48. Josiah Eschbach, DOPark Ridge, IL 600681033798418
  49. Andrea EscobarPeoria, IL 616371215564653
  50. Jaime Escobar, MDMelrose Park, IL 601601831227818

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.