Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1306555479 Individual Practitioner Female Practitioner

Mackenzie Virginia Marr , MS, LGC

Genetic Counselor, MS • Columbus, OH

Professional Overview & Biography Verified Profile Summary

Mackenzie Marr, MS, LGC is a registered healthcare professional specializing in Genetic Counselor, MS in Columbus, OH. Practice services are available at 700 CHILDRENS DR under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

700 Childrens Dr

Columbus, OH 432052664

Telephone 6147222000
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Genetic Counselor, MS in Columbus, OH

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 1.5 Yrs
Regional Practice Density
102 Specialists

Practicing in Columbus, OH (341 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

CMS Verified: 2026-01-28
Genetic Counselor, MS Primary Specialty

NUCC Taxonomy Code: 170300000X

State License OH 70.000739

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.

Secondary Practice Locations

5665 Venture Dr

Dublin, OH 430172159

Phone: 6147222000

740 Adair Ave

Zanesville, OH 437012838

Phone: 6147226200

455 Executive Campus Dr

Westerville, OH 430828870

Phone: 6147222000

555 S 18th St

Columbus, OH 432052654

Phone: 6147222000

187 W Schrock Rd

Westerville, OH 430812890

Phone: 6147222000

2222 Cherry St Ste 2600

Toledo, OH 436082675

Phone: 4192518015

26 Hospital Dr

Athens, OH 457012471

Phone: 6147226200

Practice Associates & Co-Workers

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

40 Associated Practitioners
NPI 1003106154

Doctor of Medicine (M.D.)

Dr. Christopher Jones , MD

Pediatrics - Pediatric Emergency Medicine

NPI 1003234311

Doctor of Medicine (M.D.)

Dr. Claire Christian , MD

Pediatrics - Pediatric Emergency Medicine

NPI 1003279944

Doctor of Medicine (M.D.)

Maria Streng

Nurse Practitioner - Pediatrics

NPI 1003309360
Alison Nguapha , CPNP-AC

Nurse Practitioner - Pediatrics

NPI 1003377847

CPNPAC

Kathleen Saczawa

Student in an Organized Health Care Education/Training Program

NPI 1003747726

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location April 04, 2023

Registered at 700 CHILDRENS DR, COLUMBUS, OH 432052664 (Tel: 6147222000)

📍
Updated Business Mailing Address April 04, 2023

Registered at 700 CHILDRENS DR, COLUMBUS, OH 432052664

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 04, 2023

Genetic Counselor, MS (License #70.000739 in OH)

NPI Profile Active November 17, 2022

NPI status registered as active in NPPES database

📍
Updated Practice Location November 17, 2022

Registered at 700 CHILDRENS DR # E1B, COLUMBUS, OH 432052639 (Tel: 6147223024)

📍
Updated Business Mailing Address November 17, 2022

Registered at 700 CHILDRENS DR # E1B, COLUMBUS, OH 432052639 (Tel: 6147223024)

👤
Provider Name / Credentials Updated November 17, 2022

Recorded as MACKENZIE MARR, MS, LGC

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 17, 2022

Genetic Counselor, MS (License #70.000739TEMP in OH)

🟢
Initial NPI Registration & Enumeration November 17, 2022

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: 1306555479
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 17, 2022
Last Update: January 28, 2026
Sole Proprietor: No

Mailing Address

700 Childrens Dr

Columbus, OH 432052664

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.