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 19 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. Matthew Brugger, MDChicago, IL 606121881851152
  2. Halina Brukner, MDBurr Ridge, IL 605271528120078
  3. William BrundidgeMaywood, IL 601531932633500
  4. Jorge Brunelle, MDWheeling, IL 600901164443438
  5. Theodora BruunChicago, IL 606371083418982
  6. Nancy Bryan, D.O.Plainfield, IL 605861316064272
  7. Jurate Bucha, M.D.Rockford, IL 611141760705834
  8. Amanda Buchanan, M.D.Melrose Park, IL 601601508136102
  9. David Buchanan, M.D.Chicago, IL 606171396772992
  10. Victoria Buchanan, MDChicago, IL 606111174552608
  11. Andrew Buchheit, MDSpringfield, IL 627021750278222
  12. Richmond Buckner, MDBerwyn, IL 604021760379457
  13. Alex Buder, M.D.,Chicago, IL 606141700955358
  14. Seif Bugazia, MDCarbondale, IL 629011851013254
  15. Anh Bui, M.D.Evanston, IL 602011841421104
  16. Anna Bui, M.D.Chicago, IL 606121891987764
  17. Ton Bui, MDMaywood, IL 601531659175933
  18. Faisal Bukhari, MD SCSullivan, IL 619511376545509
  19. Syed Bukhari, MDPeoria, IL 616361225052434
  20. Vuksan Bulatovic, M.D.Chicago, IL 606251336254820
  21. Paul Bulow, D.O.Tinley Park, IL 604771588700926
  22. Ann Bunyan, M.DRiverside, IL 605461174935274
  23. Lawrence Burch, M.D.Alton, IL 620021467568089
  24. Diana Burda, MDHomer Glen, IL 604911083631543
  25. Karen Burgner, M.D.Aurora, IL 605061598785792
  26. Michelle Burk, DOBelleville, IL 622261093817355
  27. Khristian Burke, MDChicago, IL 606111528742566
  28. Giullia Burkhardt Da Silveira, M.D.McHenry, IL 600501841044054
  29. Marina Burkova, D.O.Chicago, IL 606121477968832
  30. George Burns, MDSpringfield, IL 627031710957659
  31. Blagica BurovaChicago, IL 606401265171631
  32. Barbara Burrell, MDCrystal Lake, IL 600121417055765
  33. Daniel Burris, DOMaywood, IL 601531619736006
  34. Susan Burrowes, M.D.Skokie, IL 600761851389266
  35. David Burstein, M.D.Chicago, IL 606111003270398
  36. Patricia Bush, MDChicago, IL 606041649482464
  37. Jennifer Bussell, MDRiverside, IL 605461740219567
  38. Alberto Butalid, MDCarlyle, IL 622311023070752
  39. Colin Butterfield, M.D.Alton, IL 620021952417578
  40. David Buyer, M.D.Chicago, IL 606051831164888
  41. Kadir Buyukcelebi, MDChicago, IL 606401619679404
  42. Robia Byas, M.D.Chicago, IL 606431093748758
  43. John Bylewski, MDChicago, IL 606321205931243
  44. Cynthia Cabalfin, M.D.Ottawa, IL 613501497708382
  45. Edward Caballero, MDDanville, IL 618321417311317
  46. Abegail Cabalona, MDChicago, IL 606571306361829
  47. Esteban Cabezas Rubio, MDBerwyn, IL 604021467254417
  48. Glenn Cabin, MDDes Plains, IL 600161194743781
  49. Jennifer Cabrera, MDChicago, IL 606121295528685
  50. Lizbeth CabreraEvanston, IL 602011669266490

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.