NPPES file of Aug 9, 2026

Rheumatology Physician in Illinois

340 NPPES records list rheumatology physician with a practice address in Illinois, 2.7 per 100,000 residents, the 12th highest rate of 51. Chicago and Springfield have the most; each record links to the provider's NPI and the Illinois license search. Page 7 of 7.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RR0500X · 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, 107

  1. Chicago107
  2. Springfield16
  3. Evanston14
  4. Champaign10
  5. Rockford10

Rheumatology Physician records in Illinois

  1. Bob Sun, M.D.Evanston, IL 602011679657944
  2. Julia Sun, M.D.Lake Forest, IL 600451235589912
  3. William SwedlerChicago, IL 606121326143215
  4. Nadera Sweiss, MDBurr Ridge, IL 605271124181649
  5. Abrahim Syed, M.D.Warrenville, IL 605551932546249
  6. Siddharth Tambar, MDChicago, IL 606611477655488
  7. Nehemiah Tan, M.D.Mattoon, IL 619381578520995
  8. Saman Tanveer, MDChicago, IL 606371043944200
  9. Saad Tariq, MDRockford, IL 611141497098636
  10. David Tartof, MD., PH.D., INCChicago, IL 606161811974314
  11. Farah Tazeen, M.D.Lombard, IL 601481447446257
  12. Rodney Tehrani, MDMaywood, IL 601531497732747
  13. Chelsea Thompson, MDChicago, IL 606081144781485
  14. Daniel Torres, M.D.River Forest, IL 603051629002860
  15. Robert Trapp, MDSpringfield, IL 627021841363751
  16. Roger Traycoff, M.D.Springfield, IL 627041528078540
  17. Kimberly TrotterChicago, IL 606371598072340
  18. Tammy Utset, MDChicago, IL 606371760545289
  19. Jimmy Varghese, M.D.Arlington Heights, IL 600041477993715
  20. Andrew Vasconcellos, MDLawrenceville, IL 624391649518317
  21. Irma Vazquez-SanabriaSpringfield, IL 627021649421371
  22. Frank Ventimiglia, MDRockford, IL 611031255441440
  23. Iazsmin VenturaChicago, IL 606371225464290
  24. Claudia Vergara, M.D.Orland Park, IL 604671639325848
  25. Denise Verges, MDLake Forest, IL 600451053376681
  26. Olga Vila-Sola, MDOrland Park, IL 604671396925137
  27. Hans Vitzthum Von EckstaedtChicago, IL 606371386225761
  28. Corinna Weckerle, M.D.Warrenville, IL 605551083771711
  29. Stacy Weinberg, MDGlenview, IL 600261245590330
  30. Glenn Weiner, DOElk Grove Village, IL 600071437295144
  31. Eric Wilson, M.D.Chicago, IL 606111306596895
  32. Katy Wong, M.D.Bloomington, IL 617011942286760
  33. Robert Woodrick, MDChicago, IL 606111770761876
  34. Catherine Wrigley, MB BCH BAOChampaign, IL 618221700221488
  35. Wenlu Xiong, M.D.Chicago, IL 606121043553704
  36. Muhammad Yunus, MDPeoria, IL 616141851532014
  37. Laura Zaacks, MDGlenview, IL 600261538188610
  38. Jesus Zamora-PinedaChicago, IL 606111376247551
  39. Dawen Zhang, M.D.Naperville, IL 605401215341425
  40. Yixuan Zhou, MDRockford, IL 611071821654823

Source: CMS NPPES, primary taxonomy 207RR0500X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 12 of 51 per resident

  1. Vermont2.8
  2. Rhode Island2.7
  3. New Jersey2.7
  4. Illinois2.7
  5. Wisconsin2.6
  6. Washington2.6
  7. 50 states and D.C.2.4

Source: CMS NPPES, primary taxonomy 207RR0500X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

82.6% of these records appear in a Medicare file, against 81.6% 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. Illinois82.6%
  2. United States81.6%

Rheumatology Physician records in Illinois, measured

  • In a Medicare file281 of 340 · 82.6% here, 81.6% nationally
  • In the CMS Doctors and Clinicians file244 · 71.8% here, 69.5% nationally
  • Not updated in five years or more200 · 58.8% here, 56.6% nationally
  • Median graduation year2003 · the 244 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RR0500X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

340 NPPES records list rheumatology physician (207RR0500X) as their primary taxonomy with a practice address in Illinois: 2.7 per 100,000 residents against 2.4 nationally (50 states and D.C.). Chicago has 107 of them (31%).

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. Massachusetts343
  2. Ohio289
  3. Pennsylvania413
  4. New Jersey253

States with a similar rate per 100,000

  1. Puerto Rico2.7
  2. Rhode Island2.7
  3. Vermont2.8
  4. Wisconsin2.6

The largest states

  1. California926
  2. New York599
  3. Texas545
  4. Florida494
  5. Pennsylvania413

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.