Richard Phay Tu, MD
NPI 1104937358ActiveIndividual· Internal Medicine· Falls Church, VA
Internal Medicine (MD) with Potomac Medical Center PC, practicing in Falls Church, Virginia. Their prescriptions cost Medicare Part D more than their services did: $369,224 for 3,622 claims, against $41,382 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 10 companies reporting payments in 2025, $1,504 in all, mostly food and beverage.
Overview
| NPI | 1104937358 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Aug 2, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 0101-045328 | VA |
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 - Internal Medicine (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 88 |
|---|---|
| Services billed | 907 across 25 procedure codes |
| Paid by Medicare | $41,382 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,622 · 8,656 30-day fills |
|---|---|
| Patients | 233 |
| Total drug cost | $369,224 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1972 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Potomac Medical Center PCFalls Church, VA · 2 clinicians
Industry payments (Open Payments)
- 2025$1,504 · 35 payments from 10 companies
- 2024$1,092 · 39 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $621.08 | 14 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $236.82 | 3 |
| Kowa Pharmaceuticals America, Inc. | $229.10 | 7 |
| Genzyme Corporation | $142.95 | 5 |
| Novo Nordisk Inc | $106.73 | 1 |
What the 2025 payments were for
- Food and Beverage$1,504 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Falls Church
- 1073789301
- 1083977664
- 1124524616
- 1124686209
- 1205368156
- 1245406636
- 1265679286
- 1265814545
- 1306427620
- 1366006090
- 1366604555
- 1417482837
All 214 internal medicine physicians in Falls Church · All internal medicine physicians in Virginia