Mark Wayne Foust, O.D.
NPI 1588647598ActiveIndividual· Optometrist· Rock Hill, SC
Optometrist (O.D.) in Rock Hill, South Carolina, trained at Southern College of Optometry (class of 1990). In 2024 Medicare paid $20,749 for 122 patients, and Part D covered 108 of their prescriptions, 81% of them generic. Bausch & Lomb Americas Inc. was the largest of 2 companies reporting payments in 2025, $191.04 in all, mostly food and beverage.
Overview
| NPI | 1588647598 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 22, 2005 |
| Last updated in NPPES | Oct 30, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 926 | 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 | 122 |
|---|---|
| Services billed | 367 across 9 procedure codes |
| Paid by Medicare | $20,749 |
Part D prescriptions in 2024
| Prescriptions (claims) | 108 · 253 30-day fills |
|---|---|
| Patients | 26 |
| Total drug cost | $12,812 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Southern College of Optometry |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Optometry |
Industry payments (Open Payments)
- 2025$191.04 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $125.00 | 1 |
| Apellis Pharmaceuticals, Inc. | $66.04 | 1 |
What the 2025 payments were for
- Food and Beverage$191.04 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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