Ferdinand Karl Engelhart III, O.D.
NPI 1821093915ActiveIndividual· Optometrist· Nashua, NH
Optometrist (O.D.) in Nashua, New Hampshire, trained at University Alabama Birmingham - School of Optometry (class of 1987). In 2024 Medicare paid $23,900 for 223 patients, and Part D covered 63 of their prescriptions, 83% of them generic. Bausch & Lomb Americas Inc. was the largest of 5 companies reporting payments in 2025, $609.33 in all, mostly food and beverage.
Overview
| NPI | 1821093915 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jun 16, 2005 |
| Last updated in NPPES | Aug 11, 2022 |
| Certified by provider | Aug 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 0513 | NH |
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 (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 382 across 12 procedure codes |
| Paid by Medicare | $23,900 |
Part D prescriptions in 2024
| Prescriptions (claims) | 63 · 87 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $13,108 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University Alabama Birmingham - School of Optometry |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Optometry |
Medical group
- Nashua Eye Associates, P.A.Nashua, NH · 20 clinicians
Industry payments (Open Payments)
- 2025$609.33 · 14 payments from 5 companies
- 2024$816.54 · 23 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $486.10 | 9 |
| Astellas Pharma US Inc | $53.20 | 2 |
| Abbvie Inc. | $34.05 | 1 |
| Amgen Inc. | $19.02 | 1 |
| Sun Pharmaceutical Industries Inc. | $16.96 | 1 |
What the 2025 payments were for
- Food and Beverage$609.33 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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