William Tan Do, PHARM.D., BCPS
NPI 1699446252ActiveIndividual· Pharmacist, Ambulatory Care· Oakland, CA
Pharmacist, Ambulatory Care (PHARM.D., BCPS) in Oakland, California, licensed in CA, with an NPI issued in September 2021. Part D covered 749 prescriptions written in 2024, 28% of them generic.
Overview
| NPI | 1699446252 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PHARM.D., BCPS |
| Sole proprietor | Yes |
| NPI issued | Sep 23, 2021 |
| Last updated in NPPES | Sep 23, 2021 |
| Certified by provider | Sep 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pharmacist, Ambulatory Care Primary | 1835P2201X | 74057 | 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) | 749 · 2,086 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $110,919 |
| Generic share | 28% of claims |
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