Doctor profile · Federal record
Dr. Leonard Haas, MD
Pediatric Gastroenterology Physician · New Hyde Park, NY
- NPI 1073019584
- 8 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2800 Marcus Ave Ste 201
New Hyde Park, NY 110421113
(516) 622-6076
fax (470) 275-0726 - Additional location
-
165 N Village Ave Ste 215
Rockville Centre, NY 115703701
fax (516) 622-6075
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Profile last updated
- March 1, 2026
- Specialty taxonomy
- 2080P0206X — NUCC code
- State license (1)
- New York #330110
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073019584. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$460
Transactions
16
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 5 | $168.38 | |
| Madrigal Pharmaceuticals | 2 | $75.96 | |
| Abbvie INC. | 2 | $42.84 | |
| Genzyme Corporation | 1 | $33.28 | |
| Regeneron Pharmaceuticals, INC. | 1 | $33.07 | |
| Celltrion USA INC. | 1 | $30.67 | |
| Exact Sciences Corporation | 1 | $20.33 | |
| Novo Nordisk INC | 1 | $19.31 | |
| Qol Medical, LLC | 1 | $19.30 | |
| Evoke Pharma, INC. | 1 | $17.03 |
By nature of payment
Frequently asked questions
What is Dr. Leonard Haas's medical specialty?
Dr. Leonard Haas practices Pediatric Gastroenterology Physician in New Hyde Park, NY.
Where does Dr. Leonard Haas practice?
Dr. Leonard Haas practices at 2800 Marcus Ave Ste 201, New Hyde Park, NY 110421113. Office phone: 5166226076.
What is Dr. Leonard Haas's NPI?
Dr. Leonard Haas's National Provider Identifier (NPI) is 1073019584, issued by NPPES.