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 137 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. Asha Vijayakumar, MDAddison, IL 601011790724540
  2. Keerthika Vijayakumar, MBBSChicago, IL 606121003704271
  3. Samuel Villalobos Rivero, MDChicago, IL 606081952198418
  4. Jose Alberto Villarreal Castellanos, MDBerwyn, IL 604021851288559
  5. Jason Villasenor, DOUrbana, IL 618011437732666
  6. Ernesto Villegas, M.D.Chicago, IL 606071871634774
  7. Joel Villegas, MDBourbonnais, IL 609141518063205
  8. Manuel Villegas Roberson, MDChicago, IL 606571861142010
  9. Juan-Fernando Villegas-Garcia, M.D.Chicago, IL 606081164667424
  10. Sheyla Villena, M.D.Chicago, IL 606571598109258
  11. Lisa VinciChicago, IL 606371023171543
  12. Sahar Virani, DOChicago, IL 606121891621496
  13. Jennifer Virant, MDChicago, IL 606111053371567
  14. Lena Virasch, D.O.Buffalo Grove, IL 600891780094714
  15. Jay Virchow, MDElk Grove Village, IL 600071417931510
  16. Ravjot VirdiPark Ridge, IL 600681982352308
  17. Avinash Viswanathan, M.D.Springfield, IL 627041639487911
  18. Bhuvaneswari Viswanathan, M.D.Chicago, IL 606591558415802
  19. Vairavan Viswanathan, M.D.Joliet, IL 604351326083890
  20. Edmund Vizinas, M.D.Chicago, IL 606381922178391
  21. Natalya Vladimirskiy, M.D.Chicago, IL 606601326246356
  22. Constantine Vlamis, MDElmhurst, IL 601261699268128
  23. Sharon Vocino, M.D.Chicago, IL 606111679755417
  24. Jane Vogelmann, MDChicago, IL 606111588740724
  25. Dane Volden, M.D.Winfield, IL 601901053706200
  26. Joanne Volden, MDPark Ridge, IL 600681124447198
  27. Anna Volerman BeaserChicago, IL 606371023244605
  28. Hanna Vollbrecht, MDChicago, IL 606371932736352
  29. Irfan Vora, DOKankakee, IL 609011750957312
  30. John Voris, M.D.Peoria, IL 616371790125193
  31. Mounica Vorla, M.B.B.S.Urbana, IL 618011144911728
  32. Valerie Voss, MDJoliet, IL 604351114180007
  33. Laura Votapka, NPHighland Park, IL 600351851504211
  34. Chuck Vrasich, MDBuffalo Grove, IL 600891114214111
  35. Emela Vukomanovic, MDLombard, IL 601481932112067
  36. Kelly Vuong, MDGlen Ellyn, IL 601371073511135
  37. Jyotin Vyas, M.D.Chicago, IL 606151164523288
  38. Ketan Vyas, MDGrayville, IL 628441346216215
  39. Natasha Vyas, MDEvanston, IL 602011962023010
  40. Kelley WachsbergChicago, IL 606111235385295
  41. Niki Wadhwa, MDChicago, IL 606121902540388
  42. Rahul Wadke, M.D.Evanston, IL 602011801101423
  43. Brian Wagenaar, M.D.Chicago, IL 606121669714234
  44. Richard Wagoner, M.D.Havana, IL 626441861458952
  45. Subhash Waikar, MDChicago Heights, IL 604111154347045
  46. Samuel Wainwright, MDChicago, IL 606121811419203
  47. Babs Waldman, M.D.Chicago, IL 606221366687303
  48. Hemank Walia, MDChicago, IL 606571316623093
  49. Amanda Walker, MDChampaign, IL 618221073856449
  50. Elsie Walker, MDChicago, IL 606171164510772

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.