Leonard Haas, MD
NPI 1073019584 · Pediatric Gastroenterology Physician · New Hyde Park, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonard Haas, MD is a Pediatric Gastroenterology Physician provider in New Hyde Park, NY (NPI 1073019584).
Provider details
- NPI number
- 1073019584
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 330110 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$460 across 16 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 165 N Village Ave Ste 215Rockville Centre, NY 11570-3701Phone: (516) 622-6076Fax: (516) 622-6075
Registry dates
- Enumerated
- 2018-04-03
- Last updated
- 2026-03-01
- Certified
- 2026-03-01
Frequently asked questions
- What is Leonard Haas's NPI number?
- Leonard Haas's National Provider Identifier (NPI) is 1073019584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Haas's specialty?
- Leonard Haas is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Haas located?
- Leonard Haas's practice location on file with NPPES is 2800 Marcus Ave Ste 201, New Hyde Park, NY 11042-1113.
- What is Leonard Haas's phone number?
- The practice phone number listed in the NPPES registry for Leonard Haas is (516) 622-6076.
- Does Leonard Haas accept Medicare?
- Leonard Haas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonard Haas's NPI active?
- Yes — Leonard Haas's NPI (1073019584) is active in the NPPES registry as of the last update on 2026-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.