HELEN M LESZCZYNSKA MD
NPI 1699237453
Pediatrics in Vernon, NJ
About Helen M Leszczynska Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HELEN M LESZCZYNSKA MD (NPI 1699237453) is an individual pediatrics provider in Vernon, New Jersey, licensed in New Jersey (25MA11371400) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Helen M Leszczynska Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Helen Leszczynska reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 1,699 clinicians in this Medicare group
Marlton, NJ 08053
- Reassigned Medicare billing, New Jersey enrollment
- 909 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07462 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Helen Leszczynska's NPI number?
The NPI number for Helen Leszczynska is 1699237453. It was assigned to this individual provider in the NPPES registry on April 2, 2019.
Where is Helen Leszczynska located?
Helen Leszczynska practices at 249 State Rt 94, Vernon, NJ 07462. The listed phone number is (973) 827-4550.
What is Helen Leszczynska's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Helen Leszczynska enrolled in Medicare?
Yes. Helen Leszczynska is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Helen Leszczynska's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Helen Leszczynska reassigns Medicare benefits to 2 organizations: Practice Associates Medical Group (Morristown, NJ) and Advocare, LLC (Marlton, NJ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Helen Leszczynska's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Helen Leszczynska was last updated on July 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.