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MARK HAJJAR MS, CGC
NPI 1780241216
Genetic Counselor, MS in Brooklyn, NY

Active since May 21, 2019
506 6TH ST, AWI - MINER 4, BROOKLYN, NY 11215(719) 780-7315(718) 780-5756 Get Directions Write a Review

NPPES record last updated: May 21, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Hajjar Ms, Cgc NPPES

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

MARK HAJJAR MS, CGC (NPI 1780241216) is an individual genetic counselor, ms provider in Brooklyn, New York and active in the NPI registry since May 2019.

NPPES Registry Identity

NPI1780241216
Entity TypeIndividualMale
Primary Taxonomy170300000X
Provider Legal NameMARK HAJJARCredential: MS, CGC
Location Address506 6TH ST, AWI - MINER 4Brooklyn, NY 11215
Mailing Address151 Park StWest Roxbury, MA 02132-2021 · (857) 719-6619
Phone(719) 780-7315
Fax(718) 780-5756
Sole ProprietorNo
Enumeration DateMay 21, 2019
✔ NPI 1780241216 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGenetic Counselor, MSOther Service Providers
Taxonomy Code170300000X
Definition
A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.
506 6TH ST, Brooklyn, NY 11215
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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.

DR. VIVIAN JOLLEY BEA M.D.
Surgery
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3288
YANJIN YANG
Internal Medicine
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3000
JOY THERESE MULLEN RN, NP
Nurse Practitioner (Adult Health)
506 6TH ST, EP2
BROOKLYN, NY 11215
Kings County (718) 780-5040
ASHWAD AFZAL M.D.
Internal Medicine
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-5246
DR. DANIAH ALBOKHARI M.D.
Student in an Organized Health Care Education/Training Program
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-5260
SASIS SIRIKANJANAPONG
Pathology (Anatomic Pathology)
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3634
DR. DANIELLE ABADI MD
Pediatrics
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-5260
KOREN H KWAG MD
Student in an Organized Health Care Education/Training Program
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3000

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 Mark Hajjar's NPI number?

The NPI number for Mark Hajjar is 1780241216. It was assigned to this individual provider in the NPPES registry on May 21, 2019.

Where is Mark Hajjar located?

Mark Hajjar practices at 506 6th St Awi - Miner 4, Brooklyn, NY 11215. The listed phone number is (719) 780-7315.

What is Mark Hajjar's specialty?

The primary specialty registered for this NPI is Genetic Counselor, MS with taxonomy code 170300000X.

When was this NPI record last updated?

The NPPES record for Mark Hajjar was last updated on May 21, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.