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

MARIO JOSE MAZARA MD
NPI 1417634817
Internal Medicine in Jersey City, NJ

Active since June 28, 2023
355 GRAND ST, JERSEY CITY, NJ 07302(201) 915-2431 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mario Jose Mazara Md NPPES

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

MARIO JOSE MAZARA MD (NPI 1417634817) is an individual internal medicine provider in Jersey City, New Jersey, licensed in Alabama (MD.53874) and active in the NPI registry since June 2023.

NPPES Registry Identity

NPI1417634817
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARIO JOSE MAZARACredential: MD
Location Address355 GRAND STJersey City, NJ 07302-4321
Mailing Address355 Grand StJersey City, NJ 07302-4321 · (201) 915-2000
Sole ProprietorYes
Enumeration DateJune 28, 2023
Last NPPES UpdateAugust 4, 2026
NPPES CertifiedAugust 4, 2026
NPI 1417634817 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in AL · MD.53874
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
355 GRAND ST, Jersey City, NJ 07302

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
355 GRAND ST, JERSEY CITY MEDICAL CENTER
JERSEY CITY, NJ 07302
Anesthesiology
355 GRAND ST
JERSEY CITY, NJ 07302
Internal Medicine
355 GRAND ST, MEDICINE DEPT,3RD FLOOR
JERSEY CITY, NJ 07302
Emergency Medicine
355 GRAND ST, JERSEY CITY MEDICAL CENTER
JERSEY CITY, NJ 07302
Internal Medicine
355 GRAND ST
JERSEY CITY, NJ 07302
Social Worker
355 GRAND ST
JERSEY CITY, NJ 07302
Student in an Organized Health Care Education/Training Program
355 GRAND ST
JERSEY CITY, NJ 07302
Emergency Medicine
355 GRAND ST, JERSEY CITY MEDICAL CENTER ( EMERGENCY DEPARTMENT)
JERSEY CITY, NJ 07302

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 Mario Mazara's NPI number?

The NPI number for Mario Mazara is 1417634817. It was assigned to this individual provider in the NPPES registry on June 28, 2023.

Where is Mario Mazara located?

Mario Mazara practices at 355 Grand St, Jersey City, NJ 07302. The listed phone number is (201) 915-2431.

What is Mario Mazara's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Mario Mazara was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.