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 98 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. Purvi Patel, M.D.Orland Park, IL 604671962689117
  2. Radhika Patel, DOPark Ridge, IL 600681396685194
  3. Rahul PatelKankakee, IL 609011063088573
  4. Raj Patel, M.D.Bartlett, IL 601031508930736
  5. Raj Patel, M.D.Schaumburg, IL 601731093004459
  6. Raj Patel, MDSpringfield, IL 627021508753344
  7. Rajan Patel, M.D.Des Plaines, IL 600161023157260
  8. Rajnikant Patel, MDBethalto, IL 620101770570095
  9. Rashmikant Patel, MDGurnee, IL 600311740298231
  10. Ravi Patel, M.D.North Chicago, IL 600641619980166
  11. Ravi Patel, DOMaywood, IL 601531952920845
  12. Rhea Patel, DOBurbank, IL 604591821654609
  13. Ritesh Patel, M.D.Schaumburg, IL 601731548371982
  14. Ronak Patel, DOPark Ridge, IL 600681942050752
  15. Ruchi PatelChicago, IL 606111104343185
  16. Rutuja Patel, D.O.Winfield, IL 601901043453608
  17. Sagar Patel, DOAddison, IL 601011922757822
  18. Sagar PatelChicago, IL 606221609379932
  19. Sagarkumar Patel, DOElk Grove Village, IL 600071962922187
  20. Sangita Patel, MDHarvard, IL 600331922168442
  21. Sanjay Patel, M.D.Bloomingdale, IL 601081235178831
  22. Sanjay Patel, M.D.Chicago, IL 606111518991900
  23. Sapan Patel, MDWheaton, IL 601871154530384
  24. Satya Patel, M.D.Decatur, IL 625261669607842
  25. Shashikant Patel, MDArlington Hts, IL 600051851470793
  26. Shrina PatelChicago, IL 606251306418322
  27. Siya PatelSpringfield, IL 627021912833146
  28. Sonal Patel, DOBloomingdale, IL 601081255418026
  29. Sunil Patel, M.D.Western Springs, IL 605581801987565
  30. Surjeet Patel, M.D.Elmhurst, IL 601261881777324
  31. Tarunkumar Patel, M.D.Danville, IL 618321235224643
  32. Toral Patel, M.D.Chicago, IL 606571902008006
  33. Twinkle Patel, MDPark Ridge, IL 600681932994993
  34. Umang Patel, M.DWoodridge, IL 605171265548077
  35. Vallabh Patel, M.D.Kankakee, IL 609011750344214
  36. Vatsal Patel, D.O.Evanston, IL 602011639458763
  37. Vidhi Patel, M.D.Chicago, IL 606401427463629
  38. Vinod Patel, MDBartlett, IL 601031588643910
  39. Vivek Patel, MDUrbana, IL 618011497375687
  40. Yash Patel, DOPark Ridge, IL 600681073216016
  41. Yash Patel, MDOak Lawn, IL 604531053999797
  42. Pierce PaterakosChicago, IL 606251003759945
  43. Steven Paterakos, DOChicago, IL 606041255892741
  44. Cesar Patino Barrera, MDChicago, IL 606081629874573
  45. Kenneth Patt, MDChicago, IL 606251386781763
  46. George Patton, MDDeerfield, IL 600151891958112
  47. Jill Patton, D.O.Park Ridge, IL 600681194753566
  48. Ronald Paul, M.D.Park Ridge, IL 600681972683639
  49. Satvik PaulUrbana, IL 618011457189029
  50. Uday Paul, MDZion, IL 600991982623575

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.