Marion K. Williams, OPTOMETRIST
NPI 1710969969ActiveIndividual· Optometrist· Williamston, SC
Optometrist (OPTOMETRIST) in Williamston, South Carolina, trained at Southern College of Optometry (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $155,996 for 562 claims, against $48,373 paid for services in 2024. Tarsus Pharmaceuticals, Inc. was the largest of 7 companies reporting payments in 2025, $719.30 in all, mostly food and beverage.
Overview
| NPI | 1710969969 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OPTOMETRIST |
| Sole proprietor | No |
| NPI issued | Nov 15, 2005 |
| Last updated in NPPES | Apr 30, 2026 |
| Certified by provider | Apr 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 900 | SC |
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 (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 436 |
|---|---|
| Services billed | 898 across 17 procedure codes |
| Paid by Medicare | $48,373 |
Part D prescriptions in 2024
| Prescriptions (claims) | 562 · 962 30-day fills |
|---|---|
| Patients | 215 |
| Total drug cost | $155,996 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | Southern College of Optometry |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Optometry |
Medical group
- Clemson Eye PASumter, SC · 52 clinicians
Industry payments (Open Payments)
- 2025$719.30 · 15 payments from 7 companies
- 2024$231.15 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tarsus Pharmaceuticals, Inc. | $231.89 | 5 |
| Amgen Inc. | $118.52 | 1 |
| Apellis Pharmaceuticals, Inc. | $111.72 | 1 |
| Oyster Point Pharma, Inc. | $92.69 | 4 |
| Sight Sciences, Inc. | $91.39 | 1 |
What the 2025 payments were for
- Food and Beverage$719.30 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Optometrist providers in Williamston
- 1487635702
- 1306999867
- 1487380994