Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. MARYANN NICASTRO MD
NPI 1891751293
Internal Medicine - Endocrinology, Diabetes & Metabolism in Jersey City, NJ

Active since April 25, 2006
550 NEWARK AVE, JERSEY CITY, NJ 07306(201) 795-9155(201) 795-9157 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mrs. Maryann Nicastro Md NPPES

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

MRS. MARYANN NICASTRO MD (NPI 1891751293) is an individual endocrinology, diabetes & metabolism provider in Jersey City, New Jersey, licensed in New Jersey (MA53831) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1891751293
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameMRS. MARYANN NICASTROCredential: MD
Location Address550 NEWARK AVEJersey City, NJ 07306
Mailing Address550 Newark AveJersey City, NJ 07306 · (201) 795-9155 · Fax (201) 795-9157
Fax(201) 795-9157
Sole ProprietorNo
Enumeration DateApril 25, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1891751293 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in NJ · MA53831
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
550 NEWARK AVE, Jersey City, NJ 07306

Other Identifiers 1

Medicaid6185100NJ

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.

Specialist
550 NEWARK AVE
JERSEY CITY, NJ 07306
Internal Medicine (Cardiovascular Disease)
550 NEWARK AVE, STE 307
JERSEY CITY, NJ 07306
Internal Medicine (Cardiovascular Disease)
550 NEWARK AVE, SUITE 301A
JERSEY CITY, NJ 07306
Anesthesiology (Pain Medicine)
550 NEWARK AVE
JERSEY CITY, NJ 07306
Orthopaedic Surgery
550 NEWARK AVE
JERSEY CITY, NJ 07306
Internal Medicine
550 NEWARK AVE, SUITE # 406
JERSEY CITY, NJ 07306
Radiology (Diagnostic Radiology)
550 NEWARK AVE, SUITE 201
JERSEY CITY, NJ 07306
Clinic/Center (Radiology, Mammography)
550 NEWARK AVE, SECOND FLOOR
JERSEY CITY, NJ 07306

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 Maryann Nicastro's NPI number?

The NPI number for Maryann Nicastro is 1891751293. It was assigned to this individual provider in the NPPES registry on April 25, 2006.

Where is Maryann Nicastro located?

Maryann Nicastro practices at 550 Newark Ave, Jersey City, NJ 07306. The listed phone number is (201) 795-9155.

What is Maryann Nicastro's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for Maryann Nicastro was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.