Joseph Anthony Vassallo, M.D.
NPI 1932106846ActiveIndividual· Internal Medicine, Cardiovascular Disease· Chevy Chase, MD
Internal Medicine, Cardiovascular Disease (M.D.) in Chevy Chase, Maryland, trained at State University of New York at Buffalo School of Medicine (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $1,336,115 for 6,718 claims, against $509,348 paid for services in 2024. Amgen Inc. was the largest of 19 companies reporting payments in 2025, $1,232 in all, mostly food and beverage.
Overview
| NPI | 1932106846 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 7, 2005 |
| Last updated in NPPES | Mar 4, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | D33844 | 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 - Cardiovascular Disease (Cardiology) (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,249 |
|---|---|
| Services billed | 7,426 across 42 procedure codes |
| Paid by Medicare | $509,348 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,718 · 17,876 30-day fills |
|---|---|
| Patients | 766 |
| Total drug cost | $1,336,115 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Cardiology and Internal Medicine, PAChevy Chase, MD · 3 clinicians
Hospital affiliation
- Sibley Memorial HospitalWashington, DC
Industry payments (Open Payments)
- 2025$1,232 · 53 payments from 19 companies
- 2024$1,342 · 58 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $236.81 | 11 |
| Novartis Pharmaceuticals Corporation | $191.72 | 7 |
| Novo Nordisk Inc | $153.97 | 5 |
| Pfizer Inc. | $110.19 | 5 |
| E.R. Squibb & Sons, L.L.C. | $104.32 | 5 |
What the 2025 payments were for
- Food and Beverage$1,232 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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