William J. Andreoni, OPHTHALMOLOGIST
NPI 1013902816ActiveIndividual· Ophthalmology· Johnston, RI
Ophthalmology (OPHTHALMOLOGIST) with Ophthalmic Surgeons, Ltd, practicing in Johnston, Rhode Island. In 2024 Medicare paid $117,790 for 550 patients, and Part D covered 2,078 of their prescriptions, 82% of them generic. Glaukos Corporation was the largest of 4 companies reporting payments in 2025, $597.90 in all, mostly food and beverage. Lists Roger Williams Medical Center as a hospital affiliation.
Overview
| NPI | 1013902816 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OPHTHALMOLOGIST |
| Sole proprietor | No |
| NPI issued | Sep 18, 2005 |
| Last updated in NPPES | Sep 26, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | MD05964 | RI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (MA); Practitioner - Ophthalmology (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 550 |
|---|---|
| Services billed | 2,033 across 35 procedure codes |
| Paid by Medicare | $117,790 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,078 · 3,177 30-day fills |
|---|---|
| Patients | 440 |
| Total drug cost | $97,568 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1977 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Ophthalmic Surgeons, LtdJohnston, RI · 5 clinicians
Hospital affiliation
- Roger Williams Medical CenterProvidence, RI
Industry payments (Open Payments)
- 2025$597.90 · 13 payments from 4 companies
- 2024$298.79 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $256.37 | 5 |
| Alcon Vision LLC | $177.52 | 5 |
| Bausch & Lomb Americas Inc. | $143.68 | 2 |
| Harrow Eye, LLC | $20.33 | 1 |
What the 2025 payments were for
- Food and Beverage$597.90 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in Johnston
- 1770761660
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