1. Home
  2. Directory
  3. New York
  4. New Hyde Park
  5. Pediatrics
  6. NPI Profile

MARGARET MICHELLE PULJU UJAZDOWSKI M.D.
NPI 1679834204
Pediatrics - Neonatal-Perinatal Medicine in New Hyde Park, NY

Active since May 30, 2012PECOS Enrolled
26901 76TH AVE STE 344, NEW HYDE PARK, NY 11040(718) 470-3440 Get Directions Write a Review

NPPES record last updated: January 17, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 13, 2023, Dec 7, 2015 (2 updates tracked since 2015).

About Margaret Michelle Pulju Ujazdowski M.d. NPPES

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

MARGARET MICHELLE PULJU UJAZDOWSKI M.D. (NPI 1679834204) is an individual neonatal-perinatal medicine provider in New Hyde Park, New York, licensed in Georgia (98238) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS and maintains a secondary practice location in Atlanta.

NPPES Registry Identity

NPI1679834204
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameMARGARET MICHELLE PULJU UJAZDOWSKICredential: M.D.
Location Address26901 76TH AVE STE 344New Hyde Park, NY 11040-1433
Mailing Address26901 76th Ave Ste 344New Hyde Park, NY 11040-1433 · (718) 470-3440 · Fax (718) 347-3850
Phone(718) 470-3440
Sole ProprietorNo
Enumeration DateMay 30, 2012
Last NPPES UpdateJanuary 17, 20242 updates tracked since enumeration
NPPES CertifiedDecember 1, 2023
✔ NPI 1679834204 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
Licenses✔ Licensed in GA · 98238✔ Licensed in NY · 281210
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedPediatricsTaxonomy 208000000X · License 281210 (NY)
26901 76TH AVE STE 344, New Hyde Park, NY 11040
Open in Google Maps ↗

Other Names 1

Former Name (1)Margaret Michelle Pulju Md

Secondary Practice Location 1

Location 11405 Clifton Rd NEAtlanta, GA 30322-1433 · Phone (404) 785-5437

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret Michelle Pulju Ujazdowski M.d. 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

3

Medicare enrollment records show Margaret Pulju Ujazdowski reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

North Shore - Lij Medical PC
0.3 mi
Internal Medicine
270-05 76TH AVE
New Hyde Park, NY 11040
  • Reassigned Medicare billing, New York enrollment
  • 9,353 clinicians in this Medicare group
NPI 1790043479 (516) 465-8089
Weill Medical College Of Cornell
13 mi
Hematology & Oncology
520 EAST 70TH ST., STARR 341
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • 980 clinicians in this Medicare group
NPI 1144539958 (646) 962-2010
Emory Medical Care Foundation Inc
760 mi
Internal Medicine
80 JESSE HILL JR DRIVE, EMCF
Atlanta, GA 30303
  • Reassigned Medicare billing, Georgia enrollment
  • 2,681 clinicians in this Medicare group
NPI 1063452381 (404) 778-7717

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Margaret Pulju Ujazdowski's NPI number?

The NPI number for Margaret Pulju Ujazdowski is 1679834204. It was assigned to this individual provider in the NPPES registry on May 30, 2012. The provider is also known as Margaret Michelle Pulju MD.

Where is Margaret Pulju Ujazdowski located?

Margaret Pulju Ujazdowski practices at 26901 76th Ave Ste 344, New Hyde Park, NY 11040. The listed phone number is (718) 470-3440.

What is Margaret Pulju Ujazdowski's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Margaret Pulju Ujazdowski enrolled in Medicare?

Yes. Margaret Pulju Ujazdowski is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Margaret Pulju Ujazdowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Pulju Ujazdowski reassigns Medicare benefits to 3 organizations: North Shore - Lij Medical PC (New Hyde Park, NY), Weill Medical College Of Cornell (New York, NY) and Emory Medical Care Foundation Inc (Atlanta, GA). 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 Margaret Pulju Ujazdowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Pulju Ujazdowski accept?

Health plans from Oscar Health list Margaret Pulju Ujazdowski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Margaret Pulju Ujazdowski was last updated on January 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.