Fielding L. Mercer, PA-C
NPI 1689743056ActiveIndividual· Physician Assistant· Honolulu, HI
Physician Assistant (PA-C) in Honolulu, Hawaii, licensed in HI, with an NPI issued in November 2006. Part D covered 261 prescriptions written in 2024, 81% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 7 companies reporting payments in 2025, $228.04 in all, mostly food and beverage.
Overview
| NPI | 1689743056 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Nov 7, 2006 |
| Last updated in NPPES | Oct 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | AMD-29 | HI |
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 (HI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 261 · 494 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $46,297 |
| Generic share | 81% of claims |
Industry payments (Open Payments)
- 2025$228.04 · 10 payments from 7 companies
- 2024$60.60 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $52.47 | 2 |
| Amgen Inc. | $43.66 | 2 |
| Kowa Pharmaceuticals America, Inc. | $37.79 | 2 |
| Glaxosmithkline, LLC. | $30.01 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $21.93 | 1 |
What the 2025 payments were for
- Food and Beverage$228.04 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 138 physician assistants in Honolulu · All physician assistants in Hawaii