Tyson John McMullen, PA-C
NPI 1154006757ActiveIndividual· Physician Assistant· Walnut Creek, CA
Physician Assistant (PA-C) in Walnut Creek, California, licensed in CA, with an NPI issued in June 2023. Part D covered 353 prescriptions written in 2024, 82% of them generic. Kyowa Kirin, Inc. was the largest of 3 companies reporting payments in 2024, $69.37 in all, mostly food and beverage.
Overview
| NPI | 1154006757 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 20, 2023 |
| Last updated in NPPES | Jul 23, 2025 |
| Certified by provider | Jul 23, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA63707 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 353 · 752 30-day fills |
|---|---|
| Patients | 145 |
| Total drug cost | $74,735 |
| Generic share | 82% of claims |
Industry payments (Open Payments)
- 2024$69.37 · 3 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Kyowa Kirin, Inc. | $28.31 | 1 |
| Lilly USA, LLC | $22.66 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $18.40 | 1 |
What the 2024 payments were for
- Food and Beverage$69.37 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 95 physician assistants in Walnut Creek · All physician assistants in California