Helen Leszczynska, MD
NPI 1699237453 · Pediatrics Physician · Vernon, NJ
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helen Leszczynska, MD is a Pediatrics Physician provider in Vernon, NJ (NPI 1699237453).
Provider details
- NPI number
- 1699237453
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA11371400 (NJ)
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
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 100 Madison AveMorristown, NJ 07960-6136Phone: (973) 971-7550Fax: (973) 290-2388
- 99 Beauvoir AveSummit, NJ 07901-3533Phone: (973) 971-7550Fax: (973) 290-2388
Registry dates
- Enumerated
- 2019-04-02
- Last updated
- 2023-07-07
- Certified
- 2023-07-07
Frequently asked questions
- What is Helen Leszczynska's NPI number?
- Helen Leszczynska's National Provider Identifier (NPI) is 1699237453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Leszczynska's specialty?
- Helen Leszczynska is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Helen Leszczynska located?
- Helen Leszczynska's practice location on file with NPPES is 249 State Rt 94, Vernon, NJ 07462-3327.
- What is Helen Leszczynska's phone number?
- The practice phone number listed in the NPPES registry for Helen Leszczynska is (973) 827-4550.
- Does Helen Leszczynska accept Medicare?
- Helen Leszczynska is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Helen Leszczynska's NPI active?
- Yes — Helen Leszczynska's NPI (1699237453) is active in the NPPES registry as of the last update on 2023-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.