William Y. To, O.D., Inc
NPI 1700448925ActiveOrganization· Optometrist· San Mateo, CA
Optometrist in San Mateo, California, registered in NPPES in July 2019. The authorized official on file is Katalina Ashe Rowland Yandell, OD, Chief Operations Officer. Enrolled in Medicare as part b supplier - clinic/group practice and part b supplier - clinic/group practice.
Overview
| NPI | 1700448925 |
|---|---|
| Status | Active |
| Entity type | Organization |
| NPI issued | Jul 8, 2019 |
| Last updated in NPPES | Sep 3, 2025 |
| Certified by provider | Sep 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | — | — |
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 Part B Supplier - Clinic/Group Practice (AK); Part B Supplier - Clinic/Group Practice (CA) |
|---|
Other Optometrist providers in San Mateo
- 1861551632
- 1114102720
- 1073974366
- 1942622931
- 1306020730
- 1396018719
- 1679690150
- 1457765042
- 1760321053
- 1891079356
- 1427103787
- 1114085685