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 130 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. Elizabeth Tatum, MDSpringfield, IL 627021033778717
  2. Rukhma TaufiqueSpringfield, IL 627021043994304
  3. Mario Tavakoli, DOChicago, IL 606121710627195
  4. Anothai Tavee, M.D.Du Quoin, IL 628321962417550
  5. Sarah TayazimeOak Lawn, IL 604531821939471
  6. Kasra Tayebi, MDChicago, IL 606121104576651
  7. Linda Tayeh, MDBloomingdale, IL 601081568437754
  8. Adam Taylor, MDChicago, IL 606121437084100
  9. Jason Taylor, MDPeoria, IL 616371518318005
  10. Lizbeth TaylorMorton, IL 615501023190006
  11. Prentiss Taylor, M.D.Chicago, IL 606431801055983
  12. Matthew Tayon, DOMokena, IL 604481760984983
  13. Syed Tayyab, M.DPeoria, IL 616031780952994
  14. Stefan Tchernodrinski, M.D.Chicago, IL 606121992902845
  15. Taha TeaimaChicago, IL 606121154053122
  16. Christopher Tebeau, MDWheaton, IL 601891427070986
  17. Hiwot Tebeje, MDChicago, IL 606121659206274
  18. Athittaya Techawantochandej, MDChicago, IL 606401851950067
  19. Feven TegegneChicago, IL 606161255969069
  20. Francisco Tejada, M.D.Collinsville, IL 622341255707964
  21. Marius Teodorescu, M.D.Lombard, IL 601481326348970
  22. Anouar Teriaky, M.D.Chicago, IL 606371730587080
  23. Oleh Terleckyj, MDChicago, IL 606251144247958
  24. Elizabeth TermanChicago, IL 606371891548178
  25. Eric Terman, M.D.Chicago, IL 606111699783977
  26. Shirley Termolen, M.D.Chicago, IL 606041952369563
  27. Solomon Teshale, MDUrbana, IL 618011417156837
  28. Arti Tewari, MDChicago, IL 606371295255107
  29. Sunil Kumar Thaghalli, M.DMelrose Park, IL 601601861762593
  30. Avesh ThakerOlympia Fields, IL 604611760045926
  31. Anand Thakkar, M.D.Hanover Park, IL 601331336190040
  32. Dhaval Thakkar, M.D.Sycamore, IL 601781720090871
  33. Parag Thakkar, MDGrayslake, IL 600301245256965
  34. Roopal Thakkar, M.D.Lake Forest, IL 600451215266291
  35. Sanjay Thakkar, M.D.Yorkville, IL 605601073548483
  36. Shveta Thakkar, MDChicago, IL 606111356920599
  37. Zeena ThakkarPark Ridge, IL 600681902746696
  38. Naresh Thakur, M.D.Chicago, IL 606111578581633
  39. Jason Thalheimer, M.D.Park Ridge, IL 600681669899159
  40. Thomas Thandupurakal, M.D.Fox Lake, IL 600201841285640
  41. Astha Thapa, MDChicago, IL 606121558044362
  42. Kamal Thapa, MDChicago, IL 606081124917190
  43. Rupesh ThapaSpringfield, IL 627021760214951
  44. Joshua Thariath, MDChicago, IL 606111649974213
  45. Sabiha Thaseen, M.D.Cicero, IL 608041508900168
  46. Saroja Thawani, M.D.Chicago, IL 606181891707691
  47. Udit ThawaniMaywood, IL 601531548003536
  48. Sivakami Thayu, MDLake Zurich, IL 600471831185701
  49. Rama Theegala, M.DChicago, IL 606441780973453
  50. Karama Thiab, MDGurnee, IL 600311811923709

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.