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Ophthalmology

Stephen C. Gieser, MD

Sees patients in Wheaton, IL · Hinsdale, IL · Illinois

Summary

Stephen C. Gieser, MD (Ophthalmology) is enrolled with Medicare at 2 practice locations in Wheaton, IL and Hinsdale, IL. NPI 1851389787. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Stephen C. Gieser, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
40Years since medical school (graduated 1986)
University Of Illinois College Of Med (chi/peor/rock/chm-Urb)Medical school
MaleGender (as listed)
Wheaton Eye Clinic LtdGroup practice

Quick answers

Where does Stephen C. Gieser see patients?
Medicare's clinician data lists 2 practice locations, including Wheaton, IL and Hinsdale, IL. Call before your visit to confirm the address.
What is Stephen C. Gieser's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Stephen C. Gieser accept Medicare assignment?
Yes. Medicare's clinician data says Stephen C. Gieser accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Stephen C. Gieser?
(630) 668-8250, as listed in official Medicare / NPI Registry data.
What is Stephen C. Gieser's NPI number?
1851389787. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Stephen C. Gieser is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Stephen C. Gieser as a member of this group (CMS data updated 2026-10-02).

  • Wheaton Eye Clinic Ltd44 clinicians in the group

Specialties

Find other Ophthalmology doctors in Illinois →

Other ophthalmologists in Wheaton

Clinicians with the same Medicare primary specialty in Wheaton, IL — not a recommendation.

All ophthalmologists in Wheaton →

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851389787
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians