Arnold Leon Weg, MD
Opted out of Medicare from January 2026 to January 2028. Internal Medicine, Gastroenterology (MD) in Forest Hills, New York, trained at New York University School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $1,620,357 for 13,522 claims, against $580,745 paid for services in 2024. Novo Nordisk Inc reported $34.55 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1417961814 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 28, 2006 |
| Last updated in NPPES | Oct 3, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 155577 | NY |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jan 1, 2026 – Jan 1, 2028 |
| Can order and refer | Yes |
| Accepts assignment | Yes (participating) |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Medicare services in 2024
| Medicare patients | 1,100 |
|---|---|
| Services billed | 27,287 across 74 procedure codes |
| Paid by Medicare | $580,745 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,522 · 30,734 30-day fills |
|---|---|
| Patients | 1,007 |
| Total drug cost | $1,620,357 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Hospital affiliations
- Hospital for Special SurgeryNew York, NY
- New York-Presbyterian HospitalNew York, NY
- New York-Presbyterian/QueensFlushing, NY
- North Shore University HospitalManhasset, NY
Other facilities
- Americare Certified Special Services, Inc ChhaHome health agency · Brooklyn, NY
- Vns of Ny Home Care ChhaHome health agency · New York, NY
Industry payments (Open Payments)
- 2025$34.55 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $34.55 | 1 |
What the 2025 payments were for
- Food and Beverage$34.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 44 gastroenterologists in Forest Hills · All gastroenterologists in New York