Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Dr. William Winter, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1255081303

Dr. William Winter, MD is an Obstetrics & Gynecology Physician in Downers Grove, Illinois. Works from 2 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2022
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6840 Main St Ste 200
Downers Grove, IL 60516-3430
Phone: (630) 264-8840
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2160 S 1st Ave, Maywood, IL 60153-3328 — (708) 216-4533

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 036180537 (IL)

Record details

NPI number1255081303
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2022
Last updated in NPPESSeptember 14, 2026
Certification dateSeptember 14, 2026

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