David S. Buyer, MD
NPI 1790759561ActiveIndividual· Internal Medicine, Cardiovascular Disease· Newton, NJ
Internal Medicine, Cardiovascular Disease (MD) in Newton, New Jersey, trained at New York Medical College (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,247,725 for 7,692 claims, against $535,393 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 10 companies reporting payments in 2025, $437.74 in all, mostly food and beverage.
Overview
| NPI | 1790759561 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 16, 2006 |
| Last updated in NPPES | Nov 27, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 25MA06741800 | NJ |
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) (NJ); Practitioner - Internal Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,230 |
|---|---|
| Services billed | 7,958 across 75 procedure codes |
| Paid by Medicare | $535,393 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,692 · 19,996 30-day fills |
|---|---|
| Patients | 805 |
| Total drug cost | $1,247,725 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- The Medical Group of New JerseyToms River, NJ · 314 clinicians
Hospital affiliations
- Morristown Medical CenterMorristown, NJ
- Newton Medical CenterNewton, NJ
Industry payments (Open Payments)
- 2025$437.74 · 25 payments from 10 companies
- 2024$941.06 · 58 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $83.18 | 5 |
| Novo Nordisk Inc | $56.73 | 3 |
| E.R. Squibb & Sons, L.L.C. | $54.54 | 3 |
| Pfizer Inc. | $53.10 | 3 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $45.63 | 2 |
What the 2025 payments were for
- Food and Beverage$437.74 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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