Katherine Pierson, MD
NPI 1831659457ActiveIndividual· Family Medicine· Vacaville, CA
Family Medicine (MD) in Vacaville, California, trained at State University of New York at Stony Brook, School of Medicine (class of 2018). Part D covered 4,386 prescriptions written in 2024, 89% of them generic.
Overview
| NPI | 1831659457 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 20, 2019 |
| Last updated in NPPES | Jul 9, 2024 |
| Certified by provider | Aug 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A190510 | 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 - Family Practice (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 4,386 · 9,509 30-day fills |
|---|---|
| Patients | 478 |
| Total drug cost | $198,017 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | State University of New York at Stony Brook, School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - VacavilleVacaville, CA
Other facilities
- Yolo HospiceHospice · Davis, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 63 family medicine physicians in Vacaville · All family medicine physicians in California