HELEN M LESZCZYNSKA MD
NPI 1699237453
Pediatrics in Vernon, NJ

Active since April 02, 2019PECOS Enrolled
249 STATE RT 94, VERNON, NJ 07462(973) 827-4550 Get Directions Write a Review

NPPES record last updated: July 7, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 7, 2023, Jul 28, 2022, Apr 2, 2019 (3 updates tracked since 2019).

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

NPI1699237453
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameHELEN M LESZCZYNSKACredential: MD
Location Address249 STATE RT 94Vernon, NJ 07462-3327
Mailing Address401 Route 73 N Ste 320Marlton, NJ 08053-3426 · (973) 827-4550
Sole ProprietorNo
Enumeration DateApril 2, 2019
Last NPPES UpdateJuly 7, 20233 updates tracked since enumeration
NPPES CertifiedJuly 7, 2023
✔ NPI 1699237453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NJ · 25MA11371400
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
249 STATE RT 94, Vernon, NJ 07462

Secondary Practice Locations 2

Location 1100 Madison AveMorristown, NJ 07960-6136 · Phone (973) 971-7550 · Fax (973) 290-2388
Location 299 Beauvoir AveSummit, NJ 07901-3533 · Phone (973) 971-7550 · Fax (973) 290-2388

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Internal Medicine
100 MADISON AVENUE, INTEROFFICE #68
Morristown, NJ 07960
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,699 clinicians in this Medicare group
Pediatrics
401 ROUTE 73 N STE 320
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.

New Patient
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Practitioner (Family)
249 STATE RT 94
VERNON, NJ 07462
Pediatrics
249 STATE RT 94
VERNON, NJ 07462
Pediatrics
249 STATE RT 94
VERNON, NJ 07462
Dentist (General Practice)
249 STATE RT 94
VERNON, NJ 07462
Pediatrics
249 STATE RT 94
VERNON, NJ 07462
Family Medicine
249 STATE RT 94
VERNON, NJ 07462
Pediatrics
249 STATE RT 94
VERNON, NJ 07462
Pediatrics
249 STATE RT 94
VERNON, NJ 07462

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.