Andrew B. Stefaniwsky, M.D.
NPI 1811061807ActiveIndividual· Internal Medicine, Gastroenterology· West Orange, NJ
Internal Medicine, Gastroenterology (M.D.) in West Orange, New Jersey, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $493,440 for 6,014 claims, against $126,056 paid for services in 2024. Pfizer Inc. was the largest of 22 companies reporting payments in 2025, $712.83 in all, mostly food and beverage.
Overview
| NPI | 1811061807 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 20, 2006 |
| Last updated in NPPES | Aug 5, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MA035013 | 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 | 524 |
|---|---|
| Services billed | 1,308 across 24 procedure codes |
| Paid by Medicare | $126,056 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,014 · 13,953 30-day fills |
|---|---|
| Patients | 785 |
| Total drug cost | $493,440 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Medical group
- Practice Associates Medical GroupSummit, NJ · 1,408 clinicians
Hospital affiliations
- Chilton Medical CenterPompton Plains, NJ
- Morristown Medical CenterMorristown, NJ
- Overlook Medical CenterSummit, NJ
Industry payments (Open Payments)
- 2025$712.83 · 37 payments from 22 companies
- 2024$623.60 · 40 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $91.98 | 5 |
| Abbott Laboratories | $65.23 | 3 |
| Genzyme Corporation | $41.63 | 2 |
| Corcept Therapeutics | $41.07 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $39.19 | 2 |
What the 2025 payments were for
- Food and Beverage$712.83 · 37 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 gastroenterologists in West Orange · All gastroenterologists in New Jersey