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 31 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. Luke DetloffChicago, IL 606121104409382
  2. Kathleen Detwiler, PHD, MDMaywood, IL 601531932465259
  3. Heena Dev, MDChicago, IL 606121487234670
  4. Manubolu Devanand, MDMaywood, IL 601531659894889
  5. Maria Geraldinesneha Devanesan, MDPark Ridge, IL 600681932728961
  6. Heyer Devarapalli, MDArlington Heights, IL 600051588704381
  7. Hillary Deveaux, MBBSOak Lawn, IL 604531508516188
  8. Radha Devendrappa, M.D.Belleville, IL 622201386959070
  9. Luis Devenecia, MDOlney, IL 624501750495792
  10. Philippa Devenney, M.D.Dixon, IL 610211518189083
  11. Kartik DevganMaywood, IL 601531033979810
  12. Manisha DeviNorth Chicago, IL 600641366174450
  13. Nakeya Dewaswala, MDDecatur, IL 625261184115339
  14. Morgan DewildeChicago, IL 606121912649088
  15. Kally Dey, DOChicago, IL 606121851135123
  16. Shirin Dey, MDChicago, IL 606111710637798
  17. Jasmine Dhaliwal, MDChicago, IL 606571487855599
  18. Kanwarpreet Dhami, MDChicago, IL 606161386172245
  19. Deepa DharanipragadaChicago, IL 606161225338643
  20. Anu DharodPark Ridge, IL 600681215226394
  21. Vibhu Dhawan, MDBelleville, IL 622261033315965
  22. Kushleen Dhillon, MDSouth Elgin, IL 601771871567115
  23. Arun Dhingra, DOChicago, IL 606121104711779
  24. Pooja Dhir, MDChicago, IL 606161659608313
  25. Roman DhitalChicago, IL 606401538848015
  26. Aditya Dholakia, D.O.Maywood, IL 601531770715989
  27. Ashok Dholakia, MDWoodridge, IL 605171568451490
  28. Samriddh Dhungel, MDChicago, IL 606121952076903
  29. Frank Di Maria, DOChicago, IL 606591518950013
  30. Homer Diadula, M.D.Burr Ridge, IL 605271134105232
  31. Merle Diamond, MDChicago, IL 606421780676668
  32. Rita Dianati, M.D.Hines, IL 601411902938673
  33. Andrew Diaz, DOHuntley, IL 601421255951786
  34. Alexandra Diaz-BarbeChicago, IL 606371124969712
  35. Evelyn Diaz-Jimenez, M.D.Carol Stream, IL 601881043380231
  36. Robert Dick, MDHoffman Estates, IL 601691336135599
  37. Alexander Didier, MDChicago, IL 606111760240154
  38. Aarati Didwania, MDChicago, IL 606111811930654
  39. Aashish Didwania, MDChicago, IL 608111467512855
  40. Robert Dieter, MDMaywood, IL 601531528126067
  41. Jessica Diethelm, M.D.Chicago, IL 606121427232412
  42. Jonathan Dietrich, MDChicago, IL 606571073216131
  43. Anandu Dileep, DOMcHenry, IL 600501083249775
  44. Priya Dileep, M.D.Bartlett, IL 601031447562905
  45. Charles Dillon, M.D.Chicago, IL 606111548273568
  46. Stamatis Dimitropoulos, M.D.Darien, IL 605611417122599
  47. Jennifer Dimond, MDLake Forest, IL 600451669932737
  48. Khawaja Moeen-Ud Din, MDChicago, IL 606121063301943
  49. John Dinger, MDMaywood, IL 601531437995669
  50. Caitlin Dingwall, MD, PHDChicago, IL 606111093653065

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.