William T. Nimmons, OD
NPI 1821091042ActiveIndividual· Optometrist· Seneca, SC
Optometrist (OD) in Seneca, South Carolina, trained at Southern College of Optometry (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $38,095 for 265 claims, against $24,286 paid for services in 2024.
Overview
| NPI | 1821091042 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | May 23, 2005 |
| Last updated in NPPES | Jan 23, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 669 | SC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 253 |
|---|---|
| Services billed | 368 across 9 procedure codes |
| Paid by Medicare | $24,286 |
Part D prescriptions in 2024
| Prescriptions (claims) | 265 · 636 30-day fills |
|---|---|
| Patients | 91 |
| Total drug cost | $38,095 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | Southern College of Optometry |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Optometry |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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