Robert William Duncan, OD
NPI 1700402500ActiveIndividual· Optometrist· Festus, MO
Optometrist (OD) in Festus, Missouri, trained at Southern College of Optometry (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $45,350 for 157 claims, against $10,659 paid for services in 2024. Tarsus Pharmaceuticals, Inc. was the largest of 3 companies reporting payments in 2025, $187.56 in all, mostly food and beverage.
Overview
| NPI | 1700402500 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Jun 18, 2020 |
| Last updated in NPPES | Jun 18, 2020 |
| Certified by provider | Jun 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 2020014886 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 101 |
|---|---|
| Services billed | 190 across 15 procedure codes |
| Paid by Medicare | $10,659 |
Part D prescriptions in 2024
| Prescriptions (claims) | 157 · 297 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $45,350 |
| Generic share | 50% of claims |
Education and affiliations
| Medical school | Southern College of Optometry |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Optometry |
Medical group
- Clarkson Optometry IncO Fallon, MO · 82 clinicians
Industry payments (Open Payments)
- 2025$187.56 · 4 payments from 3 companies
- 2024$174.60 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tarsus Pharmaceuticals, Inc. | $123.01 | 1 |
| Bausch & Lomb Americas Inc. | $41.51 | 2 |
| Alcon Vision LLC | $23.04 | 1 |
What the 2025 payments were for
- Food and Beverage$187.56 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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