Gregory Lucien Fenton, M.D.
NPI 1114136959ActiveIndividual· Ophthalmology· Wheaton, IL
Ophthalmology (M.D.) in Wheaton, Illinois, trained at University of Michigan Medical School (class of 2004). In 2024 Medicare paid $2,999,807 for 1,477 patients, and Part D covered 954 of their prescriptions, 47% of them generic. Harrow Eye, LLC was the largest of 2 companies reporting payments in 2025, $77.47 in all, mostly food and beverage.
Overview
| NPI | 1114136959 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 21, 2007 |
| Last updated in NPPES | Oct 5, 2022 |
| Certified by provider | Oct 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 036124435 | IL |
| Ophthalmology | 207W00000X | MT185909 | PA |
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 | 1,477 |
|---|---|
| Services billed | 58,628 across 43 procedure codes |
| Paid by Medicare | $2,999,807 |
Part D prescriptions in 2024
| Prescriptions (claims) | 954 · 1,355 30-day fills |
|---|---|
| Patients | 239 |
| Total drug cost | $45,700 |
| Generic share | 47% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Ophthalmology |
Medical group
- Wheaton Eye Clinic LtdWheaton, IL · 44 clinicians
Hospital affiliation
- Northwestern Medicine Central Dupage HospitalWinfield, IL
Industry payments (Open Payments)
- 2025$77.47 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harrow Eye, LLC | $65.77 | 2 |
| Lumibird Medical Inc. | $11.70 | 1 |
What the 2025 payments were for
- Food and Beverage$77.47 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in Wheaton
- 1588647101
- 1801883004
- 1811984669
- 1295723120
- 1992793822
- 1215924485
- 1851389787
- 1255320180
- 1396326039
- 1265796585
- 1770572679
- 1649269580