Joseph Derosa, M.D.
NPI 1184671018ActiveIndividual· Internal Medicine· Westfield, NJ
Internal Medicine (M.D.) in Westfield, New Jersey, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $262,282 for 2,172 claims, against $50,536 paid for services in 2024. Amgen Inc. was the largest of 2 companies reporting payments in 2025, $48.17 in all, mostly food and beverage.
Overview
| NPI | 1184671018 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 27, 2006 |
| Last updated in NPPES | Sep 21, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MA 07201100 | 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 | 129 |
|---|---|
| Services billed | 767 across 22 procedure codes |
| Paid by Medicare | $50,536 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,172 · 4,972 30-day fills |
|---|---|
| Patients | 180 |
| Total drug cost | $262,282 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
Industry payments (Open Payments)
- 2025$48.17 · 3 payments from 2 companies
- 2024$120.87 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $31.91 | 2 |
| Pfizer Inc. | $16.26 | 1 |
What the 2025 payments were for
- Food and Beverage$48.17 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 internal medicine physicians in Westfield · All internal medicine physicians in New Jersey