Marissa Ann Walker, FNP
NPI 1528820578ActiveIndividual· Nurse Practitioner, Family· Exeter, CA
Nurse Practitioner, Family (FNP) in Exeter, California, licensed in CA, with an NPI issued in January 2024. Part D covered 71 prescriptions written in 2024, 87% of them generic. Phathom Pharmaceuticals, Inc. reported $13.92 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1528820578 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Jan 25, 2024 |
| Last updated in NPPES | Jan 25, 2024 |
| Certified by provider | Jan 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95028660 | CA |
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 Order and Referring Only - Nurse Practitioner (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 71 · 120 30-day fills |
|---|---|
| Patients | 37 |
| Total drug cost | $8,607 |
| Generic share | 87% of claims |
Industry payments (Open Payments)
- 2024$13.92 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $13.92 | 1 |
What the 2024 payments were for
- Food and Beverage$13.92 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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