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 108 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. Gloria Rho, M.D.Chicago, IL 606121174834857
  2. Mary Rhodes, MDEvanston, IL 602011518246727
  3. Maria Riaz, MDCentralia, IL 628011245751940
  4. Francisco Ricaurte, MDChicago, IL 606221902990922
  5. Nick Riccardo, M.D.Hoffman Estates, IL 601691124134879
  6. James RicciBethalto, IL 620101710994181
  7. Alexandra RiceChicago, IL 606111821936931
  8. Jason Rice, M.D.La Grange, IL 605251093036931
  9. Elizabeth Rich, MDBurr Ridge, IL 605271427111947
  10. Trent Rich, MDSpringfield, IL 627021518853084
  11. David Richards, MDArlington Heights, IL 600041255536215
  12. James Richards, MDMarion, IL 629591275635989
  13. John Richards, M.D.Alton, IL 620021508276288
  14. Lendell Richardson, M.D.Chicago, IL 606121992826523
  15. Reginald Richardson, MDChicago, IL 606121851087191
  16. Allison Richey, MDMaywood, IL 601531457094385
  17. Michael Richman, M.D.Chicago, IL 606081033452966
  18. Mary Richmond, M.D.Chicago, IL 606111215032826
  19. Stasia Richter, M.D.Chicago, IL 606121508869744
  20. Ramon Ricketts, MBBSSpringfield, IL 627021427898964
  21. Shannon Rider, MDHerrin, IL 629481508846429
  22. Jessica RidgwayChicago, IL 606371457548034
  23. Robert Riech, M.D., MPHChillicothe, IL 615231437225935
  24. Jennifer RiedelEvanston, IL 602011114754793
  25. Brett Riederman, MDNorthbrook, IL 600621003375254
  26. Mark Riederman, M.D.Libertyville, IL 600481699782151
  27. Brent Rieger, M.D.Maywood, IL 601531437321577
  28. Nicholas RiglerChicago, IL 606121003490194
  29. Sarah Rimar, M.D.Chicago, IL 606121003252586
  30. Ahmad Rimawi, MDBelleville, IL 622261902545783
  31. Melinda Ring, MDChicago, IL 606111245348333
  32. Paul Ringel, M.D.Chicago, IL 606571063454056
  33. Robert Ringhofer, M.D.Mc Leansboro, IL 628591528049889
  34. John Rinker, M.D.Pontiac, IL 617641316173636
  35. Maria Riofrio, MDChicago, IL 606571316797244
  36. Matilde Rios, MDChicago, IL 606081265515936
  37. Tavia Rios, MDChicago, IL 606121366064909
  38. Anne Risk, M.D.Peoria, IL 616141871754309
  39. Alexandra Ritger, PHDChicago, IL 606111881452662
  40. Angel Rivera, D.O.Chicago, IL 606251629218235
  41. Christopher Rivera, MDCarlyle, IL 622311659372605
  42. Maria Rivera, MDChicago, IL 606251770616484
  43. Jose Rivera Guerrero, M.D.Crest Hill, IL 604031316190028
  44. Hira Rizvi, M.D.Champaign, IL 618221851708408
  45. Syed Rizvi, MDRiverside, IL 605461598840399
  46. Syed Rizvi, MDRockford, IL 611141326271743
  47. Zulfiqar Rizvi, M.D.Palos Heights, IL 604631144276361
  48. Candice Robb-RareyWinfield, IL 601901235372996
  49. Joel Robbins, MDArlington Heights, IL 600051295888105
  50. Jan Roberts, MDChicago, IL 606151639205156

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.