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Active NPI 1780241216 Individual Practitioner Male Practitioner

Mark Hajjar , MS, CGC

Genetic Counselor, MS • Brooklyn, NY

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Mark Hajjar, MS, CGC is a registered healthcare professional specializing in Genetic Counselor, MS in Brooklyn, NY. Official NPI practice address is registered at 506 6TH ST.

Practice Location & Contact Primary Location

Practice Address

506 6th St
Awi - Miner 4

Brooklyn, NY 11215

Telephone 7197807315
Fax 7187805756
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Genetic Counselor, MS in Brooklyn, NY

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 38.0 Yrs
Regional Practice Density
35 Specialists

Practicing in Brooklyn, NY (406 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Genetic Counselor, MS Primary Specialty

NUCC Taxonomy Code: 170300000X

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners
Jennifer Tarpinian , MS, CGC

Genetic Counselor, MS

NPI 1295157204

Master of Science, CGC

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active May 21, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location May 21, 2019

Registered at 506 6TH ST, AWI - MINER 4, BROOKLYN, NY 11215 (Tel: 7197807315)

📍
Updated Business Mailing Address May 21, 2019

Registered at 151 PARK ST, WEST ROXBURY, MA 021322021 (Tel: 8577196619)

👤
Provider Name / Credentials Updated May 21, 2019

Recorded as MARK HAJJAR, MS, CGC

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 21, 2019

Genetic Counselor, MS

🟢
Initial NPI Registration & Enumeration May 21, 2019

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1780241216
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 21, 2019
Last Update: May 21, 2019
Sole Proprietor: No

Mailing Address

151 Park St

West Roxbury, MA 021322021

Phone: 8577196619

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.