Ronald Eric Prentis Frenkel, M.D.
NPI 1649280553ActiveIndividual· Ophthalmology· Stuart, FL
Ophthalmology (M.D.) in Stuart, Florida, trained at Wayne State University School of Medicine (class of 1982). In 2024 Medicare paid $260,204 for 395 patients, and Part D covered 1,321 of their prescriptions, 65% of them generic. Regeneron Healthcare Solutions, Inc. was the largest of 10 companies reporting payments in 2025, $271.38 in all, mostly food and beverage.
Overview
| NPI | 1649280553 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 9, 2006 |
| Last updated in NPPES | Sep 12, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | ME51202 | FL |
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 - Ophthalmology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 395 |
|---|---|
| Services billed | 4,005 across 56 procedure codes |
| Paid by Medicare | $260,204 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,321 · 2,619 30-day fills |
|---|---|
| Patients | 367 |
| Total drug cost | $207,920 |
| Generic share | 65% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Ophthalmology |
Medical group
- East Florida Eye Institute PAStuart, FL · 3 clinicians
Hospital affiliation
- Cleveland Clinic Martin North HospitalStuart, FL
Industry payments (Open Payments)
- 2025$271.38 · 11 payments from 10 companies
- 2024$522.59 · 16 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $68.39 | 2 |
| Apellis Pharmaceuticals, Inc. | $25.29 | 1 |
| Alcon Vision LLC | $24.46 | 1 |
| Genentech USA, Inc. | $23.63 | 1 |
| Mallinckrodt Hospital Products Inc. | $23.54 | 1 |
What the 2025 payments were for
- Food and Beverage$271.38 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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