Gregory S. Koenig, O.D.
NPI 1255301388ActiveIndividual· Optometrist· Fernley, NV
Optometrist (O.D.) in Fernley, Nevada, trained at Pacific University - College of Optometry (class of 1996). In 2024 Medicare paid $24,363 for 321 patients, and Part D covered 105 of their prescriptions, 63% of them generic. Coopervision Inc. reported $85.58 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1255301388 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jan 23, 2006 |
| Last updated in NPPES | Jun 10, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 321 | NV |
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 - Optometry (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 321 |
|---|---|
| Services billed | 499 across 19 procedure codes |
| Paid by Medicare | $24,363 |
Part D prescriptions in 2024
| Prescriptions (claims) | 105 · 143 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $4,100 |
| Generic share | 63% of claims |
Education and affiliations
| Medical school | Pacific University - College of Optometry |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Optometry |
Medical group
- Robertson and Koenig LtdFernley, NV · 5 clinicians
Industry payments (Open Payments)
- 2025$85.58 · 1 payment from 1 company
- 2024$1,779 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Coopervision Inc. | $85.58 | 1 |
What the 2025 payments were for
- Food and Beverage$85.58 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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