Nathaniel Clark, O.D.
NPI 1144712035ActiveIndividual· Optometrist· Indianapolis, IN
Optometrist (O.D.) in Indianapolis, Indiana, trained at Indiana University - School of Optometry (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $73,229 for 221 claims, against $7,941 paid for services in 2024. Alcon Vision LLC was the largest of 3 companies reporting payments in 2025, $348.48 in all, mostly food and beverage.
Overview
| NPI | 1144712035 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jun 5, 2018 |
| Last updated in NPPES | Jun 5, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 18004088A | IN |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 89 |
|---|---|
| Services billed | 163 across 14 procedure codes |
| Paid by Medicare | $7,941 |
Part D prescriptions in 2024
| Prescriptions (claims) | 221 · 396 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $73,229 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | Indiana University - School of Optometry |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Optometry |
Medical group
- Myeyedr Optometry of Indiana LLCIndianapolis, IN · 81 clinicians
Industry payments (Open Payments)
- 2025$348.48 · 7 payments from 3 companies
- 2024$464.33 · 9 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $174.37 | 3 |
| Bausch & Lomb Americas Inc. | $160.25 | 3 |
| Johnson & Johnson Vision Care, Inc. | $13.86 | 1 |
What the 2025 payments were for
- Food and Beverage$348.48 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 335 optometrists in Indianapolis · All optometrists in Indiana