Phuong Duc Trinh
NPI 1679536486ActiveIndividual· Internal Medicine, Infectious Disease· Silver Spring, MD
Internal Medicine, Infectious Disease in Silver Spring, Maryland, trained at University of Maryland School of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $2,949,482 for 1,221 claims, against $66,789 paid for services in 2024. Viiv Healthcare Company was the largest of 6 companies reporting payments in 2025, $8,390 in all, mostly speaking and faculty fees.
Overview
| NPI | 1679536486 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 11, 2006 |
| Last updated in NPPES | Feb 21, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | D0025553 | MD |
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 - Infectious Disease (DC); Practitioner - Infectious Disease (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 421 |
|---|---|
| Services billed | 789 across 19 procedure codes |
| Paid by Medicare | $66,789 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,221 · 1,998 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $2,949,482 |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Medical group
- Washington Health InstituteWashington, DC · 17 clinicians
Industry payments (Open Payments)
- 2025$8,390 · 46 payments from 6 companies
- 2024$62,155 · 136 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viiv Healthcare Company | $7,823 | 19 |
| Gilead Sciences, Inc. | $428.84 | 20 |
| Merck Sharp & Dohme LLC | $62.84 | 3 |
| Abbvie Inc. | $29.37 | 2 |
| La Jolla Pharmaceutical Company | $24.25 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$7,150 · 3 payments
- Food and Beverage$1,122 · 41 payments
- Travel and Lodging$117.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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