Annabel Sy Koa, DMD
NPI 1770817199ActiveIndividual· Dentist, General Practice· San Mateo, CA
Dentist, General Practice (DMD) in San Mateo, California, licensed in CA, with an NPI issued in October 2009. Part D covered 246 prescriptions written in 2024, 98% of them generic. Align Technology, Inc. was the largest of 3 companies reporting payments in 2025, $386.70 in all, mostly education.
Overview
| NPI | 1770817199 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DMD |
| Sole proprietor | No |
| NPI issued | Oct 1, 2009 |
| Last updated in NPPES | Apr 9, 2020 |
| Certified by provider | Apr 9, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | DDS52877 | CA |
| Dentist, General Practice | 1223G0001X | FK1262803 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 246 · 247 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $2,495 |
| Generic share | 98% of claims |
Industry payments (Open Payments)
- 2025$386.70 · 7 payments from 3 companies
- 2024$26.97 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Align Technology, Inc. | $184.01 | 4 |
| Straumann USA LLC | $173.19 | 2 |
| Envista Holdings Corporation | $29.50 | 1 |
What the 2025 payments were for
- Education$275.00 · 2 payments
- Food and Beverage$103.00 · 4 payments
- Gift$8.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 114 general dentists in San Mateo · All general dentists in California