Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
LEONARD A HAAS, MD
ActiveLEONARD A HAAS, MD is a Pediatric Gastroenterology healthcare provider located in NEW HYDE PARK, New York. NPI 1073019584 is currently active in the NPPES registry. Verify at CMS.
Pediatric Gastroenterology · NEW HYDE PARK, NY
Registration Details
- NPI Number
- 1073019584
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Apr 3, 2018 (8.4058139134138 yrs)
- Last Updated
- Mar 1, 2026
- License
-
330110 (NY)
Practice Information
- Address
-
2800 MARCUS AVE STE 201NEW HYDE PARK, NY, 110421113Browse NY providers · Browse ZIP 11042
- Phone
- 5166226076
- Fax
- 4702750726
- Primary Specialty
-
Pediatric Gastroenterology
2080P0206X
Other Pediatric Gastroenterology Providers in NEW HYDE PARK, NY
| Name | Credential | NPI |
|---|---|---|
| JAMES MARKOWITZ | MD | 1417027574 |
| JEREMIAH LEVINE | MD | 1700957107 |
| LIBIA MOY | MD | 1801967997 |
| FRANCINE SAMUELS | M.D. | 1629144084 |
| MICHAEL PETTEI | — | 1659401958 |
| CINDY HALLER | — | 1568588309 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.