Caroline Elizabeth Loyce Duffy, MD
NPI 1376248435ActiveIndividual· Family Medicine· Tamuning, GU
Family Medicine (MD) in Tamuning, Guam, licensed in CA, with an NPI issued in March 2023. Part D covered 181 prescriptions written in 2024, 83% of them generic. Gilead Sciences, Inc. reported $145.07 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1376248435 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 30, 2023 |
| Last updated in NPPES | Oct 5, 2026 |
| Certified by provider | Oct 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A200784 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 181 · 325 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $26,162 |
| Generic share | 83% of claims |
Industry payments (Open Payments)
- 2025$145.07 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $145.07 | 1 |
What the 2025 payments were for
- Food and Beverage$145.07 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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