Kathleen Herzog, PA-C
NPI 1881169365ActiveIndividual· Physician Assistant· Longview, WA
Physician Assistant (PA-C) with Silver Falls Dermatology LLC, practicing in Longview, Washington. Their prescriptions cost Medicare Part D more than their services did: $864,352 for 1,052 claims, against $134,779 paid for services in 2024. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $1,415 in all, mostly food and beverage.
Overview
| NPI | 1881169365 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 10, 2018 |
| Last updated in NPPES | Oct 15, 2024 |
| Certified by provider | Oct 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA61098708 | WA |
| Physician Assistant, Surgical | 363AS0400X | 7266 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 719 |
|---|---|
| Services billed | 8,310 across 44 procedure codes |
| Paid by Medicare | $134,779 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,052 · 1,282 30-day fills |
|---|---|
| Patients | 454 |
| Total drug cost | $864,352 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Silver Falls Dermatology LLCMill Creek, WA · 101 clinicians
Industry payments (Open Payments)
- 2025$1,415 · 81 payments from 15 companies
- 2024$2,292 · 125 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $466.22 | 26 |
| Janssen Biotech, Inc. | $181.71 | 11 |
| Novartis Pharmaceuticals Corporation | $175.41 | 14 |
| Regeneron Healthcare Solutions, Inc. | $135.68 | 7 |
| Lilly USA, LLC | $91.26 | 4 |
What the 2025 payments were for
- Food and Beverage$1,324 · 78 payments
- Education$91.81 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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