NPPES file of Aug 9, 2026

Gynecologic Oncology Physician in Illinois

76 NPPES records list gynecologic oncology physician with a practice address in Illinois, 0.6 per 100,000 residents, the 17th highest rate of 50. Chicago and Evanston have the most; each record links to the provider's NPI and the Illinois license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207VX0201X · method

Chicago has the most, 41

Gynecologic Oncology Physician records in Illinois

  1. John MoroneyChicago, IL 606371518930601
  2. Stephanie Munns, MDElk Grove Village, IL 600071265698849
  3. Nikki Neubauer, M.D.Oak Lawn, IL 604531598975336
  4. Andreea Newtson, M.D.Evanston, IL 602011073925863
  5. Wilberto Nieves Neira, MDChicago, IL 606111235214982
  6. Ronald Potkul, MDMaywood, IL 601531619941523
  7. Tanya Pulver, MDChicago, IL 606571336395888
  8. Jocelyn Ray, MD, PHDChicago, IL 606121790139269
  9. Gustavo Rodriguez, MDEvanston, IL 602011265527956
  10. Dario Roque, MDChicago, IL 606111467682690
  11. Jacob Rotmensch, M.D.Chicago, IL 606371790746600
  12. Allison Saiz, MDChicago, IL 606111174910657
  13. Julian Schink, M.D.Chicago, IL 606741124018528
  14. Assaad Semaan, M.DElk Grove Village, IL 600071841457975
  15. John Shaffer, M.D.Springfield, IL 627021902990260
  16. Shohreh Shahabi, MDChicago, IL 606111205916764
  17. Sudarshan Sharma, MDHinsdale, IL 605211740265974
  18. Jason Silberman, MDChicago, IL 606111467088385
  19. Sahana Somasegar, MDEvanston, IL 602011508359464
  20. Rudy Suidan, M.D., M.S.Park Ridge, IL 600681265765812
  21. Mary Towner, MDChicago, IL 606111255751210
  22. Connor Wang, MDChicago, IL 606111063973105
  23. Regis Weiss, M.D.Lake Forest, IL 600451588661318
  24. Abigail Winder, M.D.Maywood, IL 601531740423623
  25. Seiko YamadaChicago, IL 606371275561409
  26. Edgardo Yordan, M.D.Chicago, IL 606121184609158

Source: CMS NPPES, primary taxonomy 207VX0201X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 17 of 50 per resident

  1. Hawaii0.6
  2. Vermont0.6
  3. New Mexico0.6
  4. Illinois0.6
  5. Maryland0.6
  6. Wisconsin0.6
  7. 50 states and D.C.0.6

Source: CMS NPPES, primary taxonomy 207VX0201X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

81.6% of these records appear in a Medicare file, against 86.0% 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. Illinois81.6%
  2. United States86.0%

Gynecologic Oncology Physician records in Illinois, measured

  • In a Medicare file62 of 76 · 81.6% here, 86.0% nationally
  • In the CMS Doctors and Clinicians file52 · 68.4% here, 74.7% nationally
  • Not updated in five years or more38 · 50.0% here, 50.3% nationally
  • Median graduation year2008 · the 52 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207VX0201X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

76 NPPES records list gynecologic oncology physician (207VX0201X) as their primary taxonomy with a practice address in Illinois: 0.6 per 100,000 residents against 0.6 nationally (50 states and D.C.). Chicago has 41 of them (54%).

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. Ohio75
  2. North Carolina60
  3. Georgia55
  4. Michigan54

States with a similar rate per 100,000

  1. Maryland0.6
  2. New Mexico0.6
  3. Wisconsin0.6
  4. Oklahoma0.6

The largest states

  1. New York181
  2. California176
  3. Texas149
  4. Florida125
  5. Pennsylvania98

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.