Attention: The Reston office will be closed on January 17th (phones will be redirected to our Loudoun office for any needs/questions), and reopening on on January 20th at a new address -1860 Town Center Drive, Suite 460 Reston, VA 20190

Gregory J Orloff, MD

VCS Physicians

Gregory J Orloff, MD Headshot

As part of the Oncology Care Model (OCM), we are dedicated to providing patients with the best possible experience at Virginia Cancer Specialists. It is our duty to ensure that each patient has an excellent understanding of their treatment plan, timely manage their symptoms and emotional needs, and assist each in the navigation of all additional services that may be required. We also understand that your family is most important in your care and quality of life. It is our commitment to include them according to your wishes.

Primary Location:

Fairfax Office

Medical Oncologist

Board Certification

Medical Oncology, Hematology and Internal Medicine


Brigham and Women's Hospital at Harvard Medical School, Medical Oncology and Hematology


Brigham and Women's Hospital at Harvard Medical School


Brigham and Women's Hospital at Harvard Medical School

Medical School

Yale Medical School


Grinnell College

Gregory J. Orloff, MD, received his medical degree from the Yale University School of Medicine where he was also selected as a member of the Alpha Omega Alpha honor society. He completed his medical internship, residency and hematology/oncology fellowship at the Brigham and Women’s Hospital and the Dana Farber Cancer Institute in Boston, Massachusetts. Dr. Orloff was also a Howard Hughes Medical Institute Research Fellow at the Brigham and Women’s Hospital. At the conclusion of his training, he joined the faculty in the Hematology/Oncology division at the Brigham and Women’s Hospital at Harvard Medical School.

Dr. Orloff is a member of the American Society of Hematology and the American Society of Clinical Oncology. Dr. Orloff has been recognized as a Top Doctor by Washingtonian magazine for more than ten years, and he has also been featured on the prestigious “Castle Connolly Top Doctors” list.

Dr. Orloff joined Virginia Cancer Specialists (VCS) in 1995. He had co-directed the Stem Cell Transplant Program in partnership with INOVA Fairfax Hospital. Virginia Cancer Specialists is a member of the Multiple Myeloma Research Consortium (MMRC), for which Dr. Orloff is the site director and principal investigator. Dr. Orloff is currently an Assistant Professor, in the Department of Oncology at Johns Hopkins University.


Practice Blog

October 16, 2018

The Multiple Myeloma Research Foundation (MMRF) Patient Weekend Photo Albums and a Special Thanks

Read More
September 30, 2018

Join Virginia Cancer Specialists for a Weekend of Learning and Engaging MMRF PATIENT WEEKEND Washington D.C.

Read More

Primary Location

Fairfax Office Office

Fairfax Office

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January 1, 2019

Northern VA Magazine Top Doctors

January 1, 2018
Top Doctors Virginia Living Magazine 2018

Top Doctors Virginia Living Magazine 2018

January 1, 2018
Northern Virginia Magazine Top Doctors 2018

Northern Virginia Magazine Top Doctors 2018

September 9, 2016
Washingtonian Magazine

Washingtonian Top Doctor 2016