Saya Hayashi, OD
NPI 1487378329ActiveIndividual· Optometrist· Berkeley, CA
Optometrist (OD) in Berkeley, California, trained at Southern California College of Optometry (class of 2022). Their prescriptions cost Medicare Part D more than their services did: $19,864 for 156 claims, against $1,223 paid for services in 2024. Sun Pharmaceutical Industries Inc. reported $125.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1487378329 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | Oct 3, 2022 |
| Last updated in NPPES | Sep 6, 2023 |
| Certified by provider | Sep 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 35294TLG | CA |
| Optometrist | 152W00000X | 36294TLG | CA |
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 - Optometry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 31 |
|---|---|
| Services billed | 34 across 5 procedure codes |
| Paid by Medicare | $1,223 |
Part D prescriptions in 2024
| Prescriptions (claims) | 156 · 235 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $19,864 |
| Generic share | 30% of claims |
Education and affiliations
| Medical school | Southern California College of Optometry |
|---|---|
| Graduation year | 2022 |
| Medicare specialty | Optometry |
Medical group
- Alameda Health SystemOakland, CA · 601 clinicians
Industry payments (Open Payments)
- 2025$125.00 · 1 payment from 1 company
- 2024$31.08 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $125.00 | 1 |
What the 2025 payments were for
- Food and Beverage$125.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Optometrist providers in Berkeley
- 1811829724
- 1174951800
- 1396866497
- 1639394166
- 1730315201
- 1932439304
- 1164267092
- 1306908058
- 1457658940
- 1184287641
- 1811540198
- 1306641758