DR. ALEXANDER JONATHAN STRZALKOWSKI MD
NPI 1578051868
Pediatrics in Union, NJ

Q: What is Alexander Strzalkowski's NPI number?

The NPI number for Alexander Strzalkowski is 1578051868. It was assigned to this individual provider in the NPPES registry on April 23, 2018.

Q: What is Alexander Strzalkowski's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Active since April 23, 2018PECOS Enrolled

2840 MORRIS AVE, UNION, NJ 07083(888) 244-5373(732) 418-8372 Get Directions Write a Review

NPPES record last updated: August 19, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 19, 2024, May 16, 2023, Apr 7, 2022 and 2 more (5 updates tracked since 2018).

On this page

About Dr. Alexander Jonathan Strzalkowski Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALEXANDER JONATHAN STRZALKOWSKI MD (NPI 1578051868) is an individual pediatrics provider in Union, New Jersey, licensed in New Jersey (25MA11856400) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1578051868

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. ALEXANDER JONATHAN STRZALKOWSKICredential: MD

Location Address2840 MORRIS AVEUnion, NJ 07083-4851

Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000

Phone(888) 244-5373

Fax(732) 418-8372

Sole ProprietorNo

Enumeration DateApril 23, 2018

Last NPPES UpdateAugust 19, 20245 updates tracked since enumeration

NPPES CertifiedAugust 19, 2024

✔ NPI 1578051868 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

Licenses✔ Licensed in NJ · 25MA11856400✔ Licensed in MA · 286718

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.

2840 MORRIS AVE, Union, NJ 07083

Open in Google Maps ↗

Secondary Practice Location 1

Location 1300 Longwood AveBoston, MA 02115-5724 · Phone (617) 355-6162

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexander Jonathan Strzalkowski 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 Reassignment

Medicare enrollment records show Alexander Strzalkowski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Specialized Hospital

17 mi

Children

200 SOMERSET ST
New Brunswick, NJ 08901

Reassigned Medicare billing, New Jersey enrollment
127 clinicians in this Medicare group

NPI 1396886297 (732) 258-7000

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 07083 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 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALYSSA HAHN

Nurse Practitioner (Pediatrics)