David E. Wexler, MD FACG AGAF
NPI 1386637254ActiveIndividual· Internal Medicine, Gastroenterology· Clark, NJ
Internal Medicine, Gastroenterology (MD FACG AGAF) with Rf Ledon MD PC and 1 other group, practicing in Clark, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $544,745 for 964 claims, against $44,635 paid for services in 2024. Pfizer Inc. was the largest of 7 companies reporting payments in 2025, $327.83 in all, mostly food and beverage. Lists Robert Wood Johnson University Hospital at Rahway as a hospital affiliation.
Overview
| NPI | 1386637254 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD FACG AGAF |
| Sole proprietor | Yes |
| NPI issued | Aug 25, 2005 |
| Last updated in NPPES | May 9, 2025 |
| Certified by provider | May 9, 2025 |
| Reactivated | Nov 7, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 25MA03919800 | NJ |
| Specialist | 174400000X | 25MA03919800 | 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 | 165 |
|---|---|
| Services billed | 343 across 32 procedure codes |
| Paid by Medicare | $44,635 |
Part D prescriptions in 2024
| Prescriptions (claims) | 964 · 2,063 30-day fills |
|---|---|
| Patients | 237 |
| Total drug cost | $544,745 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Rf Ledon MD PCUnion, NJ · 18 clinicians
- Gastrointestinal Medical Experts, LLCClark, NJ · 5 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$327.83 · 23 payments from 7 companies
- 2024$100.42 · 6 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $147.53 | 13 |
| Abbvie Inc. | $53.82 | 3 |
| Phathom Pharmaceuticals, Inc. | $35.03 | 2 |
| Gilead Sciences, Inc. | $34.67 | 2 |
| Novo Nordisk Inc | $20.17 | 1 |
What the 2025 payments were for
- Food and Beverage$327.83 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Clark
- 1942263777
- 1639495187
- 1366785115
All Internal Medicine, Gastroenterology providers in New Jersey →