Neal Leleiko, MD
NPI 1831143981 · Pediatric Gastroenterology Physician · New York, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Neal Leleiko, MD is a Pediatric Gastroenterology Physician provider in New York, NY (NPI 1831143981).
Provider details
- NPI number
- 1831143981
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 114847 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-22
- Last updated
- 2023-03-26
- Certified
- 2023-03-26
Frequently asked questions
- What is Neal Leleiko's NPI number?
- Neal Leleiko's National Provider Identifier (NPI) is 1831143981, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Neal Leleiko's specialty?
- Neal Leleiko is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Neal Leleiko located?
- Neal Leleiko's practice location on file with NPPES is 3959 Broadway Fl 7, New York, NY 10032-1559.
- What is Neal Leleiko's phone number?
- The practice phone number listed in the NPPES registry for Neal Leleiko is (212) 305-5903.
- Does Neal Leleiko accept Medicare?
- Neal Leleiko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Neal Leleiko's NPI active?
- Yes — Neal Leleiko's NPI (1831143981) is active in the NPPES registry as of the last update on 2023-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.