Arun Reji Mathew, M.D.
NPI 1265878185ActiveIndividual· Internal Medicine, Gastroenterology· Union, NJ
Internal Medicine, Gastroenterology (M.D.) in Union, New Jersey, trained at Rutgers New Jersey Medical School (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $309,966 for 881 claims, against $34,648 paid for services in 2024. Pfizer Inc. was the largest of 17 companies reporting payments in 2025, $497.14 in all, mostly food and beverage.
Overview
| NPI | 1265878185 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 19, 2013 |
| Last updated in NPPES | Oct 12, 2023 |
| Certified by provider | Aug 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 25MA10575400 | NJ |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 152 |
|---|---|
| Services billed | 317 across 25 procedure codes |
| Paid by Medicare | $34,648 |
Part D prescriptions in 2024
| Prescriptions (claims) | 881 · 1,553 30-day fills |
|---|---|
| Patients | 234 |
| Total drug cost | $309,966 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Rutgers New Jersey Medical School |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Gastroenterology |
Medical groups
- Barnabas Health Medical Group PCNewark, NJ · 1,070 clinicians
- Rf Ledon MD PCUnion, NJ · 18 clinicians
Hospital affiliations
- Robert Wood Johnson University Hospital at RahwayRahway, NJ
- Trinitas Regional Medical CenterElizabeth, NJ
Industry payments (Open Payments)
- 2025$497.14 · 29 payments from 17 companies
- 2024$321.72 · 20 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $90.56 | 5 |
| Intercept Pharmaceuticals, Inc. | $67.37 | 4 |
| Abbvie Inc. | $49.70 | 3 |
| Janssen Biotech, Inc. | $49.12 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $29.12 | 2 |
What the 2025 payments were for
- Food and Beverage$497.14 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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