JOHN MASCARI MD
NPI 1154828507
Pediatrics - Neonatal-Perinatal Medicine in New York, NY

Q: What is John Mascari's NPI number?

The NPI number for John Mascari is 1154828507. It was assigned to this individual provider in the NPPES registry on April 11, 2018.

Q: What is John Mascari's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for John Mascari was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.

Active since April 11, 2018PECOS Enrolled

1283 YORK AVE, NEW YORK, NY 10065(646) 697-6428 Get Directions Write a Review

NPPES record last updated: March 2, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 2, 2026, Oct 8, 2025, Apr 25, 2022 and 2 more (5 updates tracked since 2018).

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About John Mascari Md NPPES

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

JOHN MASCARI MD (NPI 1154828507) is an individual neonatal-perinatal medicine provider in New York, New York, licensed in New York (337258) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of Geisel School Of Medicine At Dartmouth (2018).

NPPES Registry Identity

NPI1154828507

Entity TypeIndividualMale

Primary Taxonomy2080N0001X

Provider Legal NameJOHN MASCARICredential: MD

Location Address1283 YORK AVENew York, NY 10065

Mailing Address1283 York AveNew York, NY 10065

Phone(646) 697-6428

Sole ProprietorNo

Medical School CMSGeisel School Of Medicine At DartmouthGraduated 2018

Enumeration DateApril 11, 2018

Last NPPES UpdateMarch 2, 20265 updates tracked since enumeration

NPPES CertifiedMarch 2, 2026

✔ NPI 1154828507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

License✔ Licensed in NY · 337258

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.

1283 YORK AVE, New York, NY 10065

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Mascari Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8820573124

PECOS Enrollment IDI20260403000426

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.

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.

MISS TRACY LYNN BUECHELE PA

Physician Assistant

1283 YORK AVE
NEW YORK, NY 10065

New York County (212) 746-5454

DR. MICHELLE S COHEN M.D.

Internal Medicine (Gastroenterology)

1283 YORK AVE, 4TH FLOOR
NEW YORK, NY 10065

New York County (646) 962-4000

MRS. SAMANTHA BERBERICH FNP-C

Nurse Practitioner (Family)

1283 YORK AVE
NEW YORK, NY 10065

New York County (646) 962-5696

CASEY M DONOVAN PA-C

Physician Assistant

1283 YORK AVE
NEW YORK, NY 10065

New York County (212) 746-5454

KELLY LAUREN ENG

Nurse Practitioner (Family)

1283 YORK AVE, 4TH FL
NEW YORK, NY 10065

New York County (646) 962-2330

BENJAMIN SAMSTEIN MD

Transplant Surgery

1283 YORK AVE, 9TH FLOOR
NEW YORK, NY 10065

New York County (212) 746-2127

JULIE SOLOMON M.D.

Obstetrics & Gynecology

1283 YORK AVE
NEW YORK, NY 10065

New York County (917) 692-3092

AMANDA MICHELLE RICHARDSON FNP

Nurse Practitioner (Family)

1283 YORK AVE
NEW YORK, NY 10065

New York County (646) 962-4463

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 John Mascari's NPI number?

The NPI number for John Mascari is 1154828507. It was assigned to this individual provider in the NPPES registry on April 11, 2018.

Where is John Mascari located?

John Mascari practices at 1283 York Ave, New York, NY 10065. The listed phone number is (646) 697-6428.

What is John Mascari's specialty?

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

Is John Mascari enrolled in Medicare?

Yes. John Mascari is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Mascari was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.