David Benjamin Greenberg, MD
NPI 1053413500ActiveIndividual· Internal Medicine, Hematology & Oncology· Manasquan, NJ
Internal Medicine, Hematology & Oncology (MD) with Hackensack Meridian Health Medical Group - Specialty Care PC, practicing in Manasquan, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $1,489,982 for 1,244 claims, against $222,826 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 34 companies reporting payments in 2025, $17,203 in all, mostly speaking and faculty fees. Lists Jersey Shore University Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1053413500 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 5, 2006 |
| Last updated in NPPES | Oct 22, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 25MA07701400 | 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 - Hematology/Oncology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 941 |
|---|---|
| Services billed | 2,300 across 18 procedure codes |
| Paid by Medicare | $222,826 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,244 · 2,041 30-day fills |
|---|---|
| Patients | 276 |
| Total drug cost | $1,489,982 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Hackensack Meridian Health Medical Group - Specialty Care PCHackensack, NJ · 1,922 clinicians
Hospital affiliations
- Jersey Shore University Medical CenterNeptune, NJ
- Jfk University Medical CenterEdison, NJ
- Monmouth Medical CenterLong Branch, NJ
- Ocean Medical CenterBrick, NJ
- Riverview Medical CenterRed Bank, NJ
Other facilities
- Hackensack Meridian at Home Monmouth CountyHome health agency · Neptune, NJ
- Hackensack Meridian at Home Ocean CountyHome health agency · Brick, NJ
Industry payments (Open Payments)
- 2025$17,203 · 103 payments from 34 companies
- 2024$24,176 · 98 payments from 30 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $15,264 | 13 |
| Abbvie Inc. | $207.29 | 11 |
| E.R. Squibb & Sons, L.L.C. | $198.42 | 13 |
| Astellas Pharma US Inc | $191.72 | 6 |
| Gilead Sciences, Inc. | $185.33 | 4 |
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$14,865 · 6 payments
- Food and Beverage$2,149 · 93 payments
- Education$188.99 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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