Please call your physician’s office before coming in for your appointment if you have symptoms of a cough, fever, or difficulty breathing; traveled to Europe or China or other areas impacted by the coronavirus (COVID-19) within the past 14 days; been in close contact with someone who has traveled outside the U.S. to one of the impacted countries; or may have been exposed to the coronavirus. Effective Monday May 18th all VCS sites will be conducting temperature checks for all patients and visitors at entrances. For your safety, you will be asked to use a mask, if you do not have one, a mask will be provided. If a person presents with a temperature, you will be asked to return home and further instructions will be given by your health care team. For our patients protection, no visitors under 18 will be allowed in the offices, there is a limit one (1) visitor per patient if necessary. No visitors are allowed in the chemo infusion room. FOR THE LATEST UP TO DATE INFORMATION, ALERTS AND CANCELLATIONS PLEASE CLICK HERE

Ajay Dar, MD

VCS Physicians

Ajay Dar, MD Headshot

When a person entrusts me with their health, a sacred patient - doctor bond is created. Modern medicine and good old fashion caring, helps both of us navigate this journey together.

Work and Credentials:

Primary Location

Reston Office


Medical Oncologist

Board Certification

Medical Oncology and Internal Medicine


Cleveland Clinic Foundation, Medical Oncology


DC General Hospital


DC General Hospital

Medical School

University College of Medical Sciences, New Delhi


University College of Medical Sciences, New Delhi

Dr. Dar earned his medical degree from the University College of Medical Sciences in New Delhi, India. He completed his fellowship at the Cleveland Clinic Foundation. Dr. Dar is board certified in medical oncology and internal medicine. He has a special interest in prostate, pancreatic and colon cancer.

Dr. Dar has won several awards including the Patients’ Choice Award for Most Compassionate and Best Doctor, as well as Top Doctor by Northern Virginia Magazine and Virginia Living Magazine . He holds professional memberships in multiple organizations including the American Society of Clinical Oncology .

Dr. Dar has also spent time overseas training oncology resident physicians and helping to improve global cancer care as a “Health Volunteer Overseas” (HVO), through The American Society of Clinical Oncology (ASCO).

Dr. Dar is married and has two children.


Practice Blog

September 1, 2017

Ajay Dar, MD

Read More

Clinical Trials (1)

Clinical Trial 19144

Biomarker Study to Determine Frequency of DNA-repair Defects in Men with Metastatic Prostate Cancer (64091742PCR0002)

Primary Location

Reston Office Office

Reston Office

Learn More

Other Locations


January 1, 2020

2020 Virginia Living Top Doctors

January 1, 2019

Northern Virginia Magazine Top Doctor 2019

January 1, 2018
Northern Virginia Magazine Top Doctors

Northern Virginia Magazine Top Doctors 2018

May 1, 2018
Virginia Living Magazine Top Doctor 2018

Top Doctors Virginia Living Magazine 2018

February 1, 2015
Northern Virginia Magazine

Top Doctor 2015

January 31, 2014
Northern Virginia Magazine

Top Doctor 2014

December 31, 2013
Washingtonian Magazine

Top Doctor 2014

January 31, 2013
Northern Virginia Magazine

Top Doctor 2013