William J. Mallon, M.D.
NPI 1114976479ActiveIndividual· Ophthalmology· Vero Beach, FL
Ophthalmology (M.D.) in Vero Beach, Florida, trained at Wayne State University School of Medicine (class of 1994). In 2024 Medicare paid $747,831 for 1,839 patients, and Part D covered 2,958 of their prescriptions, 62% of them generic. Rxsight Inc was the largest of 9 companies reporting payments in 2025, $450.50 in all, mostly food and beverage.
Overview
| NPI | 1114976479 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 6, 2006 |
| Last updated in NPPES | Sep 25, 2023 |
| Certified by provider | Sep 25, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | ME78127 | 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 | 1,839 |
|---|---|
| Services billed | 9,016 across 54 procedure codes |
| Paid by Medicare | $747,831 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,958 · 3,795 30-day fills |
|---|---|
| Patients | 811 |
| Total drug cost | $310,715 |
| Generic share | 62% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Ophthalmology |
Medical group
- William J. Mallon, MDVero Beach, FL · 10 clinicians
Industry payments (Open Payments)
- 2025$450.50 · 13 payments from 9 companies
- 2024$725.40 · 34 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Rxsight Inc | $144.20 | 1 |
| Regeneron Healthcare Solutions, Inc. | $76.40 | 3 |
| Harrow Eye, LLC | $59.73 | 2 |
| Tarsus Pharmaceuticals, Inc. | $55.30 | 2 |
| Alcon Vision LLC | $30.47 | 1 |
What the 2025 payments were for
- Food and Beverage$450.50 · 13 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