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 122 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. Mariamou Sims, MDEvanston, IL 602011477744886
  2. Prashanth SinganallurUrbana, IL 618021174145361
  3. Jason Singer, MDChicago, IL 606111033910237
  4. Joseph Singer, MDEvanston, IL 602011295426690
  5. Ajeet Singh, MD, MPH, MAChicago, IL 606121902427818
  6. Amberdeep SinghPark Ridge, IL 600681982407037
  7. Anmol Singh, MDChicago, IL 606121114751351
  8. Anshu Singh, MDChicago, IL 606121720206394
  9. Aradhya Singh, M.D.McHenry, IL 600501912840604
  10. Baani Singh, MDOak Lawn, IL 604531255919494
  11. Bhupinder Singh, M.D.Northbrook, IL 600621932250446
  12. Gurjot SinghNorth Chicago, IL 600641770963266
  13. Gurpreet Singh, M.DNormal, IL 617611982045209
  14. Harpreet Singh, MDChicago, IL 606081417443540
  15. Jasmeet Singh, D.O.Urbana, IL 618011225344013
  16. Kirandeep Singh, M.DChicago, IL 606161861723983
  17. Manamar Singh, M.DChicago, IL 606121770899221
  18. Manvinder Singh, MDWestmont, IL 605591760597017
  19. Mohitmeet Singh, M.D.Evanston, IL 602011083929863
  20. Namrata Singh, M.D.Chicago, IL 606571164884227
  21. Navjit Singh, MDPeoria, IL 616371861063661
  22. Navneet Singh, M.D.Olympia Fields, IL 604611194783217
  23. Nirmal SinghChicago, IL 606081831757921
  24. Padamjit Singh, M.D.Darien, IL 605611093754632
  25. Pooja Singh, M.D.Chicago, IL 606571184235392
  26. Pranav Singh, MBBSChicago, IL 606121669200622
  27. Rajanbir Singh, MDSpringfield, IL 627811124711023
  28. Shrestha Singh, DOBarrington, IL 600111164126009
  29. Simren Singh, DOMaywood, IL 601531225731292
  30. Smita Singh, MDEvanston, IL 602021467707182
  31. Sunita Singh, M.D.Chicago, IL 606291033146840
  32. Suyashi Singh, MDOak Lawn, IL 604531700536125
  33. Yadvinder SinghBerwyn, IL 604021649074428
  34. Pratibha Singla, M.D.Decatur, IL 625261871168989
  35. Nimisha Singri, M.D.Schaumburg, IL 601731912937525
  36. Shefali Sinha, M.D.Chicago, IL 606121760576870
  37. Joshua Sink, MDChicago, IL 606111467038380
  38. James Sipkins, M.D.Chicago, IL 606111609826007
  39. Bekure Siraw, MDChicago, IL 606571477202620
  40. Benjamin SirbuHines, IL 601411700317799
  41. Erenee Sirinian, D.O.Chicago, IL 606401033309661
  42. Evans Sirois, D.OMt Prospect, IL 600561356310262
  43. Daniel Sisbarro, MDMaywood, IL 601531093789125
  44. Ryan Sisson-Smith, MDPeoria, IL 616371548847015
  45. Guadalupe Sitjar, MDGurnee, IL 600311497870315
  46. Lakshmi SivarajanChicago, IL 606111568704856
  47. Grazyna Siwy, M.D.Chicago, IL 606121447498910
  48. Arthur Skladman, M.D.Arlington Heights, IL 600051447313655
  49. Caroline SkolnikChicago, IL 606121992021125
  50. Antonios Skondras, MDChicago, IL 606121376273573

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.