Dennis Lowenthal, MD
NPI 1528050374ActiveIndividual· Internal Medicine, Medical Oncology· Summit, NJ
Internal Medicine, Medical Oncology (MD) in Summit, New Jersey, trained at Boston University School of Medicine (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $2,180,109 for 358 claims, against $90,078 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 7 companies reporting payments in 2025, $280.92 in all, mostly food and beverage.
Overview
| NPI | 1528050374 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 18, 2005 |
| Last updated in NPPES | Jul 12, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | MA49177 | 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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 136 |
|---|---|
| Services billed | 1,413 across 14 procedure codes |
| Paid by Medicare | $90,078 |
Part D prescriptions in 2024
| Prescriptions (claims) | 358 · 558 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $2,180,109 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Hematology |
Medical group
- Practice Associates Medical GroupSummit, NJ · 1,408 clinicians
Hospital affiliations
- Morristown Medical CenterMorristown, NJ
- Overlook Medical CenterSummit, NJ
Other facilities
- Atlantic Visiting NurseHome health agency · Morristown, NJ
Industry payments (Open Payments)
- 2025$280.92 · 15 payments from 7 companies
- 2024$141.14 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $102.53 | 6 |
| Janssen Biotech, Inc. | $65.97 | 3 |
| Daiichi Sankyo Inc. | $33.12 | 2 |
| Menarini Silicon Biosystems, Inc. | $24.22 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $22.14 | 1 |
What the 2025 payments were for
- Food and Beverage$280.92 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other medical oncologists in Summit
- 1134224595
- 1164414850