Mark Walter Frohlich
NPI 1366528168ActiveIndividual· Internal Medicine, Medical Oncology· Seattle, WA
Internal Medicine, Medical Oncology in Seattle, Washington, licensed in WA, with an NPI issued in October 2006. Rigel Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $41,337 in all, mostly consulting fees.
Overview
| NPI | 1366528168 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Oct 27, 2006 |
| Last updated in NPPES | Dec 28, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | MD00040829 | WA |
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 |
|---|
Industry payments (Open Payments)
- 2025$41,337 · 6 payments from 2 companies
- 2024$20.70 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Rigel Pharmaceuticals, Inc. | $41,310 | 5 |
| Siemens Medical Solutions USA, Inc. | $26.83 | 1 |
What the 2025 payments were for
- Consulting Fee$41,310 · 5 payments
- Food and Beverage$26.83 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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