Leonard A. Haas, MD
NPI 1073019584ActiveIndividual· Pediatrics, Pediatric Gastroenterology· New Hyde Park, NY
Pediatrics, Pediatric Gastroenterology (MD) in New Hyde Park, New York, licensed in NY, with an NPI issued in April 2018. Enrolled in Medicare as practitioner - pediatric medicine. Janssen Biotech, Inc. was the largest of 13 companies reporting payments in 2025, $1,908 in all, mostly food and beverage.
Overview
| NPI | 1073019584 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 3, 2018 |
| Last updated in NPPES | Mar 1, 2026 |
| Certified by provider | Mar 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Gastroenterology Primary | 2080P0206X | 330110 | 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) | Enrolled Practitioner - Pediatric Medicine (NY) |
|---|
Industry payments (Open Payments)
- 2025$1,908 · 59 payments from 13 companies
- 2024$460.17 · 16 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $799.41 | 19 |
| Mirum Pharmaceuticals, Inc. | $288.54 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $163.78 | 11 |
| Genzyme Corporation | $135.94 | 4 |
| Celltrion USA Inc. | $109.19 | 5 |
What the 2025 payments were for
- Food and Beverage$1,908 · 59 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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