Joseph Anthony Zangara, M.D.
NPI 1447240254ActiveIndividual· Internal Medicine, Gastroenterology· Wayne, NJ
Internal Medicine, Gastroenterology (M.D.) in Wayne, New Jersey, trained at Rutgers New Jersey Medical School (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $318,794 for 1,446 claims, against $199,574 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $745.95 in all, mostly food and beverage.
Overview
| NPI | 1447240254 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 24, 2005 |
| Last updated in NPPES | Oct 7, 2026 |
| Certified by provider | Oct 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 25MA06988800 | 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 - Gastroenterology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 690 |
|---|---|
| Services billed | 2,466 across 44 procedure codes |
| Paid by Medicare | $199,574 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,446 · 2,634 30-day fills |
|---|---|
| Patients | 417 |
| Total drug cost | $318,794 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Rutgers New Jersey Medical School |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Gastroenterology Associates of New Jersey LLCRidgewood, NJ · 80 clinicians
Hospital affiliations
- Chilton Medical CenterPompton Plains, NJ
- Morristown Medical CenterMorristown, NJ
- St Joseph's University Medical Center IncPaterson, NJ
Industry payments (Open Payments)
- 2025$745.95 · 51 payments from 13 companies
- 2024$992.95 · 72 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $301.55 | 21 |
| Aimmune Therapeutics, Inc. | $144.11 | 10 |
| Takeda Pharmaceuticals U.S.A., Inc. | $50.30 | 3 |
| Celltrion USA Inc. | $37.39 | 2 |
| Phathom Pharmaceuticals, Inc. | $37.03 | 5 |
What the 2025 payments were for
- Food and Beverage$745.95 · 51 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 gastroenterologists in Wayne · All gastroenterologists in New Jersey