Warren Gregory Buck, MD
NPI 1720019532ActiveIndividual· Internal Medicine, Cardiovascular Disease· Edison, NJ
Internal Medicine, Cardiovascular Disease (MD) with Menlo Park Medical Group P.A., practicing in Edison, New Jersey. In 2024 Medicare paid $413,149 for 276 patients, and Part D covered 5,283 of their prescriptions, 85% of them generic. Novo Nordisk Inc was the largest of 6 companies reporting payments in 2025, $347.24 in all, mostly food and beverage. Lists Centrastate Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1720019532 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Nov 12, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 25MA0316500 | NJ |
| Internal Medicine | 207R00000X | 25MA0316500 | 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 - Internal Medicine (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 276 |
|---|---|
| Services billed | 6,610 across 36 procedure codes |
| Paid by Medicare | $413,149 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,283 · 10,487 30-day fills |
|---|---|
| Patients | 313 |
| Total drug cost | $485,002 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1974 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Menlo Park Medical Group P.A.Edison, NJ · 2 clinicians
Hospital affiliations
- Centrastate Medical CenterFreehold, NJ
- Jfk University Medical CenterEdison, NJ
Other facilities
- Hackensack Meridian Jfk at HomeHome health agency · Iselin, NJ
Industry payments (Open Payments)
- 2025$347.24 · 22 payments from 6 companies
- 2024$329.63 · 20 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $182.77 | 12 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $55.84 | 4 |
| Pfizer Inc. | $37.55 | 2 |
| Astrazeneca Pharmaceuticals LP | $32.35 | 2 |
| Exact Sciences Corporation | $22.09 | 1 |
What the 2025 payments were for
- Food and Beverage$347.24 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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