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Active NPI 1437827540 Individual Practitioner Female Practitioner

Razan Hallak , RD

Dietitian, Registered • Columbus, OH

✓ Accepts Medicare Assignment
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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

Razan Hallak, RD is a registered Dietitian, Registered practitioner in Columbus, OH. With approximately 6 years of clinical practice since completing medical education in 2020, Razan Hallak provides healthcare services at the registered practice location at 410 W 10TH AVE.

Razan Hallak is affiliated with Osu Internal Medicine Llc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

410 W 10th Ave

Columbus, OH 432101240

Telephone 6142936255
Fax 6142938518
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2020

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dietitian, Registered in Columbus, OH

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
6 Yrs -11.2 yrs vs City Avg
City Avg: 17.2 Yrs
State Avg: 15.9 Yrs
Regional Practice Density
332 Specialists

Practicing in Columbus, OH (2603 Statewide)

Telehealth Adoption Rate
3.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hallak (6 Years) 6 Yrs
Columbus Specialty Average (17.2 Years) 17.2 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-04-20
Dietitian, Registered Primary Specialty

NUCC Taxonomy Code: 133V00000X

State License OH LD.09154

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

Hospital & Practice Group Affiliations

Osu Internal Medicine Llc

3651 Ridge Mill Dr, Hilliard, OH 430267752

Phone: 6142933873

Osu Internal Medicine Llc

3900 Stoneridge Ln, Dublin, OH 430172288

Phone: 6143665001

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Hagop Mekhjian , MD

Internal Medicine - Gastroenterology

NPI 1003828138

Doctor of Medicine (M.D.)

Sarah Gunderson , APRN-CNP

Nurse Practitioner

NPI 1013860824

Advanced Practice Registered Nurse - Certified Nurse Practitioner

Dr. Darrell Gray , MD, MPH

Internal Medicine - Gastroenterology

NPI 1053588913

Doctor of Medicine (M.D.), Master of Public Health

Dr. Alexander Hooper , MD

Internal Medicine - Gastroenterology

NPI 1063830198

Doctor of Medicine (M.D.)

Dr. Waqas Nawaz , MD

Internal Medicine - Gastroenterology

NPI 1073947917

Doctor of Medicine (M.D.)

Dr. Guillermo Ortiz San Juan , MD

Internal Medicine - Gastroenterology

NPI 1083098784

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 20, 2026

Dietitian, Registered (License #LD.09154 in OH)

📍
Updated Business Mailing Address January 12, 2026

Registered at 700 ACKERMAN RD STE 2120, COLUMBUS, OH 432021559 (Tel: 6142936255)

👤
Provider Name / Credentials Updated January 12, 2026

Recorded as RAZAN HALLAK, RD

NPI Profile Active September 02, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location September 02, 2021

Registered at 410 W 10TH AVE, COLUMBUS, OH 432101240 (Tel: 6142939168)

📍
Updated Business Mailing Address September 02, 2021

Registered at 410 W 10TH AVE, COLUMBUS, OH 432101240

👤
Provider Name / Credentials Updated September 02, 2021

Recorded as RAZAN HALLAK

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 02, 2021

Dietitian, Registered (License #09154 in OH)

🟢
Initial NPI Registration & Enumeration September 02, 2021

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: 1437827540
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 02, 2021
Last Update: April 20, 2026
Sole Proprietor: No

Mailing Address

700 Ackerman Rd Ste 2120

Columbus, OH 432021559

Phone: 6142936255

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.