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 13 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. Anthony Barraco, M.D.Chicago, IL 606081144631086
  2. Jonatan Barreto, MDChicago, IL 606121447095997
  3. James Barrett, M.D.Chicago, IL 606011407863210
  4. Meghan Barrett-Englert, M.D.Chicago, IL 606111144751116
  5. Rocio Barriga Guzman, MDChicago, IL 606571962134593
  6. Antonio Barrios, M.D.Oak Park, IL 603021609220276
  7. William Barron, MDLa Grange Park, IL 605261295709335
  8. Charles Barsano, M.D.North Chicago, IL 600641871600346
  9. Carl Barsanti, M.D.Lombard, IL 601481861450637
  10. Mary Barsanti-Sekhar, M.D.Maywood, IL 601531528285566
  11. Stephanie Bartels, M.D.Arlington Heights, IL 600041871522300
  12. Mary Barthel, MDQuincy, IL 623011194729087
  13. Cynthia Bartholow, MD PCWilmette, IL 600911992730436
  14. Samantha BartholowChicago, IL 606121538957550
  15. Darius Bartkus, M.D.Chicago, IL 606471093836629
  16. Andrew Bartlett, D.O.Champaign, IL 618221073520516
  17. William Bartley, MDAlton, IL 620021134112097
  18. Howard Bartman, M.D.Chicago, IL 606591871528653
  19. Rachel Bartnett, MDChicago, IL 606121780442194
  20. Ryan Barton, MDSpringfield, IL 627021770747719
  21. Heidi Baruch, MDChicago, IL 606121326157918
  22. John Kevin Base, MDChicago, IL 606121881425650
  23. Mohammed Baseer, M.DSpringfield, IL 627031720272321
  24. Kheder Basheer, MDMonmouth, IL 614621932624418
  25. Sundus Basheer, DOChicago, IL 606161740972520
  26. Yusairah BasheerPark Ridge, IL 600681770335820
  27. Mohammad Bashir, MDChicago, IL 606121336795020
  28. Deborah Basile, MDCrestwood, IL 604451497741953
  29. Nour Hany Bassil, MDChicago, IL 606251083449276
  30. David Bassily, DOMaywood, IL 601531568049187
  31. Satish Bastola, MDChicago, IL 606571639858798
  32. Jagadeesh Batana, MDDecatur, IL 625261932691318
  33. Tamara Batarseh, DOChicago, IL 606251124710082
  34. Marissa Batayola, M.D.Pontiac, IL 617641487643730
  35. Satish Batchu, MDWaukegan, IL 600851629128442
  36. Oksana Batejko, MDBuffalo Grove, IL 600891427153477
  37. Connor Bateman, MDMaywood, IL 601531508626268
  38. Bindu Bathina, MDPeoria, IL 616371427573518
  39. Krishna Bathina, MDNaperville, IL 605401265548093
  40. Muriel Battaglia, MDChicago, IL 606371497490908
  41. Elias BattikhChicago, IL 606121508695370
  42. Umesh Batura, MDUrbana, IL 618011790461705
  43. Kathryn BaublyElmhurst, IL 601261295129310
  44. Paul Baubly, MDElmhurst, IL 601261174681530
  45. James Bauer, M.D.Peoria, IL 616031912901711
  46. David Baumberger, M.D.Decatur, IL 625261043277064
  47. Eleanor Bautista, M.D.Joliet, IL 604351780669804
  48. Fnu Bawna, MBBSSpringfield, IL 627021255125167
  49. Andrea Bazan, M.D.Park Ridge, IL 600681699871293
  50. Ekaterina Bazunova, MDBerwyn, IL 604021679464689

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.