Ka Yee So, OD
NPI 1770008609ActiveIndividual· Optometrist· Oakland, CA
Optometrist (OD) in Oakland, California, trained at University of California - School of Optometry (class of 2017). In 2024 Medicare paid $119,997 for 581 patients, and Part D covered 705 of their prescriptions, 66% of them generic. Johnson & Johnson Vision Care, Inc. was the largest of 3 companies reporting payments in 2025, $64.67 in all, mostly food and beverage.
Overview
| NPI | 1770008609 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | Aug 11, 2017 |
| Last updated in NPPES | May 18, 2020 |
| Certified by provider | May 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 33775TLG | CA |
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 - Optometry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 581 |
|---|---|
| Services billed | 1,414 across 9 procedure codes |
| Paid by Medicare | $119,997 |
Part D prescriptions in 2024
| Prescriptions (claims) | 705 · 1,367 30-day fills |
|---|---|
| Patients | 223 |
| Total drug cost | $36,355 |
| Generic share | 66% of claims |
Education and affiliations
| Medical school | University of California - School of Optometry |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Optometry |
Medical group
- East Bay OphthalmologyPinole, CA · 4 clinicians
Industry payments (Open Payments)
- 2025$64.67 · 3 payments from 3 companies
- 2024$88.43 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Johnson & Johnson Vision Care, Inc. | $27.71 | 1 |
| Thea Pharma Inc. | $22.89 | 1 |
| Sun Pharmaceutical Industries Inc. | $14.07 | 1 |
What the 2025 payments were for
- Food and Beverage$64.67 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 118 optometrists in Oakland · All optometrists in California