NPPES file of Aug 9, 2026

Obstetrics & Gynecology Physician in Illinois

2,062 NPPES records list obstetrics & gynecology physician with a practice address in Illinois, 16 per 100,000 residents, the 8th highest rate of 51. Chicago and Springfield have the most; each record links to the provider's NPI and the Illinois license search. Page 42 of 42.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207V00000X · 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, 700

  1. Chicago700
  2. Springfield68
  3. Park Ridge56
  4. Naperville48
  5. Maywood40

Obstetrics & Gynecology Physician records in Illinois

  1. Mhd Yahia Zeino, M.D.Springfield, IL 627021528271673
  2. Yuri Zermeno, MDNaperville, IL 605401003310186
  3. Monika Zeromska-Cancellaro, MDEvanston, IL 602011730111097
  4. Cindy Zhang, MDChicago, IL 606111447719406
  5. Lyba Zia, MDDowners Grove, IL 605161861070914
  6. Rachel Zigler, MDChicago, IL 606121659634111
  7. Alexandra Zilber, MDHoffman Estates, IL 601691639993397
  8. Randy Zimmerman, MDBarrington, IL 600101427044171
  9. J. Zinzilieta, M.D.Springfield, IL 627021366539165
  10. Nicole Zolman, MDChicago, IL 606121932803905
  11. Jared Zotz, M.D.Bloomington, IL 617011093956815
  12. Matthew Zuckerman, DOElmhurst, IL 601261619243607

Source: CMS NPPES, primary taxonomy 207V00000X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 8 of 51 per resident

  1. Michigan18
  2. New Hampshire17
  3. Maryland17
  4. Illinois16
  5. Alaska16
  6. New York16
  7. 50 states and D.C.14

Source: CMS NPPES, primary taxonomy 207V00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

72.4% of these records appear in a Medicare file, against 75.6% 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. Illinois72.4%
  2. United States75.6%

Obstetrics & Gynecology Physician records in Illinois, measured

  • In a Medicare file1,492 of 2,062 · 72.4% here, 75.6% nationally
  • In the CMS Doctors and Clinicians file1,168 · 56.6% here, 60.3% nationally
  • Not updated in five years or more1,043 · 50.6% here, 56.2% nationally
  • Median graduation year2006 · the 1,168 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207V00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,062 NPPES records list obstetrics & gynecology physician (207V00000X) as their primary taxonomy with a practice address in Illinois: 16 per 100,000 residents against 14 nationally (50 states and D.C.). Chicago has 700 of them (34%).

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. Pennsylvania1,974
  2. Michigan1,776
  3. Ohio1,572
  4. North Carolina1,548

States with a similar rate per 100,000

  1. Alaska16.2
  2. New York16.2
  3. Maryland16.7
  4. Massachusetts16.1

The largest states

  1. California5,088
  2. Texas3,524
  3. New York3,174
  4. Florida2,601
  5. Pennsylvania1,974

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.