ALERT: COVID19 Update: 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 patient’s 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. Telemedicine visits are available for routine office visits.

All Patients – Very Important: Regardless of vaccination status.  If you are experiencing a fever or cold-like like symptoms, which also include GI Symptoms and Diarrhea, you should contact your Virginia Cancer Specialists Advice Line before visiting our clinics for scheduled appointments. This includes symptoms of respiratory illness, such as coughing or difficulty breathing.  More Information-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.

Clinical Trials (2)

Clinical Trial 20189

A Phase 3 Global, Multicenter, Double-Blind Randomized Study of Carboplatin-Paclitaxel With INCMGA00012 or Placebo in Participants With Inoperable Locally Recurrent or Metastatic Squamous Cell Carcinoma of the Anal Canal Not Previously Treated With Systemic Chemotherapy (POD1UM-303/InterAACT 2) (INCMGA 0012-303)

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


February 1, 2020

2020 Northern Virginia Magazine Top Doctors

November 1, 2020
Washington Magazine Top Doctors 2020

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