King Wai To, M.D.
NPI 1174670806ActiveIndividual· Ophthalmology· Providence, RI
Ophthalmology (M.D.) in Providence, Rhode Island, trained at Warren Alpert Medical School of Brown University (class of 1986). In 2024 Medicare paid $72,277 for 507 patients, and Part D covered 353 of their prescriptions, 76% of them generic. Alcon Vision LLC reported $409.96 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1174670806 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 4, 2007 |
| Last updated in NPPES | Jun 12, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 7985 | RI |
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 (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 507 |
|---|---|
| Services billed | 1,164 across 13 procedure codes |
| Paid by Medicare | $72,277 |
Part D prescriptions in 2024
| Prescriptions (claims) | 353 · 612 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $31,743 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Warren Alpert Medical School of Brown University |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Ophthalmology |
Industry payments (Open Payments)
- 2025$409.96 · 3 payments from 1 company
- 2024$315.29 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $409.96 | 3 |
What the 2025 payments were for
- Food and Beverage$409.96 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 45 ophthalmologists in Providence · All ophthalmologists in Rhode Island