John WinklerM.D.

Ophthalmology·Des Plaines, IL

John Winkler, M.D. is an Ophthalmology provider in Des Plaines, IL affiliated with 3 ambulatory surgery centers in IL, as of July 2026.

  • NPI1659314375
  • Registered2006
  • Centers3
  • StateIL
  • Class of1979
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Ambulatory surgery centers

Centers whose service lines match this provider’s. Affiliations change; verify independently.

Education

University of Illinois College of Med (chi/peor/rock/chm-Urb)Medical school · Graduated 1979

Education on record as of August 2026.

John Winkler at a glance

Provider
John Winkler
Credential
M.D.
Specialty
Ophthalmology
Location
Des Plaines, IL
Medical school
University of Illinois College of Med (chi/peor/rock/chm-Urb)
Graduated
1979
NPI registered
2006
NPI
1659314375
Snapshot
July 2026

Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.

Questions

Where does John Winkler practice?

John Winkler, M.D. is based in Des Plaines, IL and is affiliated with 3 ambulatory surgery centers: Belmont Harlem Surgery Center LLC in Chicago, IL, Elmhurst Outpatient Surgery Center LLC in Elmhurst, IL, and Lgh A Golf Astc LLC Dba Golf Surgical Center in Des Plaines, IL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.

What is John Winkler's NPI number?

John Winkler's National Provider Identifier (NPI) is 1659314375, registered in 2006. Specialty on record: Ophthalmology; credential M.D.

Where did John Winkler go to medical school?

John Winkler, M.D. attended University of Illinois College of Med (chi/peor/rock/chm-Urb), graduating in 1979.

How many Ophthalmology providers in Illinois work at ambulatory surgery centers?

186 Ophthalmology surgeons and proceduralists in Illinois are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Winkler among them. The Illinois Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.

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