Deborah L. Toppmeyer
NPI 1114004975ActiveIndividual· Internal Medicine, Medical Oncology· New Brunswick, NJ
Internal Medicine, Medical Oncology in New Brunswick, New Jersey, trained at Albany Medical College of Union University (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $698,347 for 413 claims, against $25,847 paid for services in 2024. Genentech, Inc. was the largest of 2 companies reporting payments in 2025, $114.46 in all, mostly food and beverage.
Overview
| NPI | 1114004975 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Feb 5, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 25MA063107 | 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 - Medical Oncology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 177 |
|---|---|
| Services billed | 370 across 12 procedure codes |
| Paid by Medicare | $25,847 |
Part D prescriptions in 2024
| Prescriptions (claims) | 413 · 884 30-day fills |
|---|---|
| Patients | 135 |
| Total drug cost | $698,347 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Albany Medical College of Union University |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Rutgers Health-Rwj Scleroderma ProgramNew Brunswick, NJ · 391 clinicians
Hospital affiliations
- Centrastate Medical CenterFreehold, NJ
- Robert Wood Johnson University HospitalNew Brunswick, NJ
- Robert Wood Johnson University Hospital - SomersetSomerville, NJ
Industry payments (Open Payments)
- 2025$114.46 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech, Inc. | $69.46 | 1 |
| Daiichi Sankyo Inc. | $45.00 | 2 |
What the 2025 payments were for
- Food and Beverage$69.46 · 1 payment
- Education$45.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 medical oncologists in New Brunswick · All medical oncologists in New Jersey