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 96 of 145.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · method

Chicago has the most, 2,867

Internal Medicine Physician records in Illinois

  1. Zaid Parekh, MDChicago, IL 606371780515890
  2. Agata Parfieniuk, MDBurbank, IL 604591376104364
  3. Nirali Parikh, M.D.Glendale Heights, IL 601391831374172
  4. Prabhakar Parikh, M.D.Calumet City, IL 604091417067778
  5. Twisha ParikhChicago, IL 606121841114147
  6. Nicholas Parise, M.D.Chicago, IL 606251306930938
  7. Chang Hwan Park, MDPeoria, IL 616361487390308
  8. Dennis Park, DOOakbrook Terrace, IL 601811639220445
  9. Jesse Park, MDBurr Ridge, IL 605271215042072
  10. Seong ParkChicago, IL 606111003429366
  11. Soyeon Park, MDChicago, IL 606121134050305
  12. Om ParkashMcHenry, IL 600501356970347
  13. Ellen Parker, MDElmhurst, IL 601261295001907
  14. Neil Parker, MDPark Ridge, IL 600681912521790
  15. Robert Parker, M.D.Chicago, IL 606081033118856
  16. Robert Parks, M.D.Benton, IL 628121356380497
  17. Shanli Parnia, M.D.Oak Park, IL 603021427612738
  18. Xavier Parreno, M.D.Gurnee, IL 600311023085479
  19. Katherine Partyka, MDMaywood, IL 601531598394017
  20. Surendra Paruchuri, M.D.Danville, IL 618321902847437
  21. Sindhu Parupalli, MDChicago, IL 606121760232813
  22. Praveen Parvathala, M.D.South Holland, IL 604731861409971
  23. Jennifer Paschos, M.D.Addison, IL 601011396064366
  24. Mary Pasciak, MDElmhurst, IL 601261427127505
  25. Aamir Pasha, M.D.Rock Island, IL 612011437108594
  26. Sandra Pasiah, MDOak Lawn, IL 604531396369971
  27. Varun Raj Passi, MBBSChicago, IL 606121760373138
  28. Robert Passovoy, MDLa Grange, IL 605251841229408
  29. Olivia Patch, M.D.Oak Forest, IL 604521780790527
  30. Colton Pate, DOEvanston, IL 602011255076527
  31. Anand Patel, D.OPark Ridge, IL 600681811217631
  32. Anish PatelChicago, IL 606121134979560
  33. Ankit Patel, D.OWestmont, IL 605591871941385
  34. Ashish Patel, MDSchaumburg, IL 601731083625909
  35. Ashruta Patel, MDGlen Ellyn, IL 601371164451696
  36. Axi Patel, MD, MPHRock Island, IL 612011629598578
  37. Bharat Patel, SCMetropolis, IL 629601992735526
  38. Bhumi PatelMaywood, IL 601531730930728
  39. Bhupendra Patel, M.D.Franklin Park, IL 601311629140892
  40. Birju Patel, MDChicago, IL 606121558934901
  41. Dadhija Patel, DOPalos Hills, IL 604651992923742
  42. Davel Patel, DOPark Ridge, IL 600681992202097
  43. Dhirendra Patel, MDDecatur, IL 625261306837471
  44. Dilip Patel, M.D.Elmhurst, IL 601261700967270
  45. Dilip Patel, M.D.Berwyn, IL 604021407814569
  46. Ekta Patel, D.O.Evanston, IL 602011609188267
  47. Ghanshyam Patel, M.D.Chicago Hts, IL 604111942241120
  48. Harvey Patel, MDMcHenry, IL 600501245898923
  49. Hetal PatelChicago, IL 606121184326365
  50. Ilaxi Patel, D.O.Sycamore, IL 601781629087861

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.