David M. Felig, MD
NPI 1780681866ActiveIndividual· Internal Medicine, Gastroenterology· Hackensack, NJ
Internal Medicine, Gastroenterology (MD) in Hackensack, New Jersey, trained at Northwestern University Feinberg Medical School (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $523,129 for 1,792 claims, against $213,472 paid for services in 2024. Abbvie Inc. was the largest of 25 companies reporting payments in 2025, $1,596 in all, mostly food and beverage.
Overview
| NPI | 1780681866 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 5, 2005 |
| Last updated in NPPES | Aug 9, 2023 |
| Certified by provider | Aug 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 25MA6230900 | NJ |
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 | 828 |
|---|---|
| Services billed | 2,484 across 36 procedure codes |
| Paid by Medicare | $213,472 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,792 · 3,557 30-day fills |
|---|---|
| Patients | 631 |
| Total drug cost | $523,129 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Gastroenterology Associates of New Jersey LLCRidgewood, NJ · 80 clinicians
Hospital affiliations
- Hackensack University Medical CenterHackensack, NJ
- Valley HospitalParamus, NJ
Industry payments (Open Payments)
- 2025$1,596 · 111 payments from 25 companies
- 2024$1,269 · 84 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $339.29 | 24 |
| Janssen Biotech, Inc. | $213.32 | 25 |
| Takeda Pharmaceuticals U.S.A., Inc. | $181.24 | 11 |
| Lilly USA, LLC | $90.62 | 5 |
| Pfizer Inc. | $84.31 | 5 |
What the 2025 payments were for
- Food and Beverage$1,596 · 111 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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