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 20 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. Elaine Cabugason, M.D.Chicago, IL 606191386987238
  2. Elizabeth Cadag, M.D.Chicago, IL 606121497161939
  3. Brian Cady, MDMoline, IL 612651083619134
  4. Rexanne Caga-Anan, M.D.Springfield, IL 627021386933877
  5. Timothy Cahill, D.O.Des Plaines, IL 600161578569505
  6. Frank Cai, MDMaywood, IL 601531467039941
  7. Hector CajigasChicago, IL 606111861189631
  8. Israel Calcano, M.D.Chicago, IL 606571467983767
  9. Martha Calden, DOHinsdale, IL 605211306919972
  10. Eleazar Calero, MDChicago, IL 606291336280122
  11. Sean CallahanMaywood, IL 601531205695608
  12. Maria Agustina Callizo BedoyaChicago, IL 606571790673523
  13. Benito Camacho, MDPeoria, IL 616031477634285
  14. Timothy Camden, MDMattoon, IL 619381659323327
  15. Natalie CameronChicago, IL 606111417451022
  16. Christopher Camilleri, DOBurr Ridge, IL 605271295710044
  17. Tania Campagnoli, MDChicago, IL 606121043650526
  18. Steven Campau, MDLake In The Hills, IL 601561255440954
  19. Stephanie Campbell, D.O.Chicago, IL 606121730560368
  20. Thomas Campbell, MDEvanston, IL 602021972506665
  21. Alejandra Campos, M.D.Oak Park, IL 603021932195146
  22. Jennifer Candel, MDOak Brook, IL 605231164793949
  23. Santiago Candocia, M.D.Winnetka, IL 600931780764019
  24. Caroline CanningChicago, IL 606121780168641
  25. Samantha Canning, MDChicago, IL 606111629606769
  26. Diana Cano Mujica De Chirinos, M.DChicago, IL 606611942660758
  27. Daniel CanterChicago, IL 606121215736426
  28. Carolyn Cao, MDChicago, IL 606541598227068
  29. David CaoChicago, IL 606371972291508
  30. Jessica Cao, MDChicago, IL 606111235765231
  31. Jack Caplan, MDMaywood, IL 601531821899964
  32. Frank Capobianco, MDChicago, IL 606121225105281
  33. Angelo Caputi Zuniga, MDChicago, IL 606121710675103
  34. Elmer Carasig, MDChicago, IL 606221871570960
  35. Robert Carbone, M.D.Hinsdale, IL 605211639167919
  36. Hernan Cardozo Torres, M.D.Chicago, IL 606571336993377
  37. Austin Carey, MDSpringfield, IL 627021285482620
  38. Kathryn Carey, DOSpringfield, IL 627021174455976
  39. Christina Carfagnini, MDPeoria, IL 616371285312017
  40. Jerry Cargill, MDMarengo, IL 601521003832189
  41. Alexie Carletti, MD, MPHChicago, IL 606111437885225
  42. Michele Carlon, M.D.Oak Park, IL 603011285670273
  43. Andrew Carlson, MDChicago, IL 606121770287088
  44. Glenn Carlson, MDLa Grange Park, IL 605261225913429
  45. Thomas Carlson, M.D.Chicago, IL 606021780675553
  46. Kevin Carney, M.D.Rosemont, IL 600181013948470
  47. Kristopher Carpenter, M.D.Chicago, IL 606171437305190
  48. Gaston Carrasco, M.D.Hoffman Estates, IL 601691417052267
  49. Zachary Carrasco, MDChicago, IL 606121962245175
  50. Anthony Carrera, MDChicago, IL 606371053993352

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.