Kathryn Hook, PA-C
NPI 1528450343ActiveIndividual· Physician Assistant· Antioch, CA
Physician Assistant (PA-C) with Central Coast Allergy and Asthma, practicing in Antioch, California. Their prescriptions cost Medicare Part D more than their services did: $277,505 for 768 claims, against $5,514 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 13 companies reporting payments in 2025, $1,191 in all, mostly food and beverage.
Overview
| NPI | 1528450343 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Mar 3, 2015 |
| Last updated in NPPES | Mar 24, 2021 |
| Certified by provider | Mar 24, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 52342 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 74 |
|---|---|
| Services billed | 162 across 11 procedure codes |
| Paid by Medicare | $5,514 |
Part D prescriptions in 2024
| Prescriptions (claims) | 768 · 1,239 30-day fills |
|---|---|
| Patients | 101 |
| Total drug cost | $277,505 |
| Generic share | 55% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Central Coast Allergy and AsthmaSalinas, CA · 6 clinicians
Industry payments (Open Payments)
- 2025$1,191 · 55 payments from 13 companies
- 2024$906.12 · 42 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $274.64 | 11 |
| Genzyme Corporation | $190.81 | 12 |
| Glaxosmithkline, LLC. | $168.92 | 7 |
| Ars Pharmaceuticals Operations, Inc. | $167.04 | 7 |
| Astrazeneca Pharmaceuticals LP | $84.20 | 3 |
What the 2025 payments were for
- Food and Beverage$1,058 · 53 payments
- Education$133.26 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 physician assistants in Antioch · All physician assistants in California