Nicholas Anthony Defilippis, M.D.
NPI 1518962257ActiveIndividual· Internal Medicine· Union, NJ
Internal Medicine (M.D.) in Union, New Jersey, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $765,248 for 7,377 claims, against $488,778 paid for services in 2024. Novo Nordisk Inc was the largest of 15 companies reporting payments in 2025, $1,446 in all, mostly food and beverage.
Overview
| NPI | 1518962257 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 17, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MA48432 | 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 | 410 |
|---|---|
| Services billed | 16,834 across 52 procedure codes |
| Paid by Medicare | $488,778 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,377 · 19,358 30-day fills |
|---|---|
| Patients | 545 |
| Total drug cost | $765,248 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Internal Medicine |
Medical group
- Union Internal Medicine Group PAUnion, NJ · 2 clinicians
Hospital affiliations
- Overlook Medical CenterSummit, NJ
- St Joseph's University Medical Center IncPaterson, NJ
Other facilities
- Atlantic Visiting NurseHome health agency · Morristown, NJ
Industry payments (Open Payments)
- 2025$1,446 · 93 payments from 15 companies
- 2024$1,322 · 90 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $305.63 | 18 |
| Astrazeneca Pharmaceuticals LP | $288.80 | 29 |
| Glaxosmithkline, LLC. | $197.17 | 11 |
| Exact Sciences Corporation | $125.42 | 5 |
| Abbott Laboratories | $115.45 | 6 |
What the 2025 payments were for
- Food and Beverage$1,446 · 93 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 39 internal medicine physicians in Union · All internal medicine physicians in New Jersey