Derek Hunter Ohlstein, M.D.
NPI 1295960946ActiveIndividual· Ophthalmology· Vero Beach, FL
Ophthalmology (M.D.) in Vero Beach, Florida, trained at Tulane University School of Medicine (class of 2009). In 2024 Medicare paid $522,066 for 1,634 patients, and Part D covered 2,313 of their prescriptions, 63% of them generic. Rxsight Inc was the largest of 9 companies reporting payments in 2025, $565.09 in all, mostly food and beverage.
Overview
| NPI | 1295960946 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 26, 2009 |
| Last updated in NPPES | Mar 4, 2022 |
| Certified by provider | Mar 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | ME114955 | FL |
| Internal Medicine | 207R00000X | TRN13800 | FL |
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 - Ophthalmology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,634 |
|---|---|
| Services billed | 6,294 across 49 procedure codes |
| Paid by Medicare | $522,066 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,313 · 3,726 30-day fills |
|---|---|
| Patients | 678 |
| Total drug cost | $240,194 |
| Generic share | 63% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Ophthalmology |
Medical group
- William J. Mallon, MDVero Beach, FL · 10 clinicians
Hospital affiliation
- Cleveland Clinic Indian River HospitalVero Beach, FL
Industry payments (Open Payments)
- 2025$565.09 · 15 payments from 9 companies
- 2024$442.42 · 19 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Rxsight Inc | $144.20 | 1 |
| Bausch & Lomb Americas Inc. | $133.42 | 3 |
| Regeneron Healthcare Solutions, Inc. | $76.40 | 3 |
| Tarsus Pharmaceuticals, Inc. | $55.30 | 2 |
| Mallinckrodt Hospital Products Inc. | $52.48 | 2 |
What the 2025 payments were for
- Food and Beverage$565.09 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 21 ophthalmologists in Vero Beach · All ophthalmologists in Florida