NPPES file of Aug 9, 2026

Geriatric Medicine (Internal Medicine) Physician in Illinois

179 NPPES records list geriatric medicine (internal medicine) physician with a practice address in Illinois, 1.4 per 100,000 residents, the 18th highest rate of 51. Chicago and Hines have the most; each record links to the provider's NPI and the Illinois license search. Page 4 of 4.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RG0300X · method

Geriatric Medicine (Internal Medicine) Physician records in Illinois

  1. Simeon Sevandal, MDChicago, IL 606321528052735
  2. Rekha Sharma, M.D.Hazel Crest, IL 604291619054228
  3. Myles Sheehan, MDMaywood, IL 601531184699753
  4. Arshea Siddiqui, MDAurora, IL 605021184670671
  5. Mandeep Sidhu, MDChicago, IL 606121790337483
  6. Herbert Sier, MDChicago, IL 606111881627446
  7. Rahmawati Sih, MDBurr Ridge, IL 605271346290707
  8. Varisha Singh, MDChicago, IL 606121376270306
  9. Ileana SoneruHines, IL 601411235172362
  10. Maureen Sturman, MDChicago, IL 606121407883499
  11. Beata Styka, M.D.Palos Heights, IL 604631275623233
  12. Mobolaji Suleiman, MDKankakee, IL 609011184764086
  13. Neelima Sunkara, M.DChicago, IL 606341265603054
  14. Mona Tareen, M.D.Joliet, IL 604311558386581
  15. Thomas Triantafillou, M.D.Oak Lawn, IL 604531366504326
  16. Gladstone Tucker, MDMarion, IL 629591023087012
  17. Sadia Usmani, MDChicago, IL 606121407543903
  18. Louis Waldman, M.D.La Grange, IL 605251588981526
  19. Kanramon Watthanasuntorn, MDChicago, IL 606161952821563
  20. Sheldon Weiss, MDRockford, IL 611141427168616
  21. John Wiley, M.D.Chicago, IL 606391487612834
  22. David Wilk, MDHazel Crest, IL 604291184630626
  23. Shellie WilliamsChicago, IL 606371447313705
  24. Wayne Williamson, MDChicago, IL 606101699828061
  25. Glenn Winter, M.D.Chicago, IL 606221629259809
  26. Sayeeda Yasmin, M.DHillside, IL 601621558409243
  27. Akhileswari Yeshwant, M.D.Algonquin, IL 601021457362543
  28. Aimee Yu-Ballard, M.D.Urbana, IL 618021083675045
  29. Elizabeth Zavala, MDChicago, IL 606371164926010

Source: CMS NPPES, primary taxonomy 207RG0300X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 18 of 51 per resident

  1. Colorado1.8
  2. Oregon1.6
  3. North Carolina1.4
  4. Illinois1.4
  5. California1.4
  6. Minnesota1.3
  7. 50 states and D.C.1.4

Source: CMS NPPES, primary taxonomy 207RG0300X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

70.9% of these records appear in a Medicare file, against 72.8% 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. Illinois70.9%
  2. United States72.8%

Geriatric Medicine (Internal Medicine) Physician records in Illinois, measured

  • In a Medicare file127 of 179 · 70.9% here, 72.8% nationally
  • In the CMS Doctors and Clinicians file76 · 42.5% here, 51.3% nationally
  • Not updated in five years or more105 · 58.7% here, 61.4% nationally
  • Median graduation year1997 · the 76 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RG0300X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

179 NPPES records list geriatric medicine (internal medicine) physician (207RG0300X) as their primary taxonomy with a practice address in Illinois: 1.4 per 100,000 residents against 1.4 nationally (50 states and D.C.). Chicago has 84 of them (47%).

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. Michigan184
  2. New Jersey165
  3. North Carolina157
  4. Maryland139

States with a similar rate per 100,000

  1. California1.4
  2. Minnesota1.3
  3. Arkansas1.3
  4. Virginia1.3

The largest states

  1. California532
  2. New York508
  3. Florida287
  4. Texas256
  5. Pennsylvania228

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.