Stephen C. Gieser, M.D.
NPI 1851389787ActiveIndividual· Ophthalmology· Wheaton, IL
Ophthalmology (M.D.) in Wheaton, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $615,200 for 4,277 claims, against $228,422 paid for services in 2024. Abbvie Inc. reported $60.36 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1851389787 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 13, 2005 |
| Last updated in NPPES | Oct 5, 2022 |
| Certified by provider | Oct 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 036-086157 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 911 |
|---|---|
| Services billed | 4,041 across 21 procedure codes |
| Paid by Medicare | $228,422 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,277 · 9,666 30-day fills |
|---|---|
| Patients | 912 |
| Total drug cost | $615,200 |
| Generic share | 56% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Ophthalmology |
Medical group
- Wheaton Eye Clinic LtdWheaton, IL · 44 clinicians
Industry payments (Open Payments)
- 2025$60.36 · 3 payments from 1 company
- 2024$226.08 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $60.36 | 3 |
What the 2025 payments were for
- Food and Beverage$60.36 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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