Maryland Oncology Hematology remains open while making accommodations for the health and safety of our patients. If you believe you have been exposed to COVID-19 or have symptoms of COVID-19 including fever, cough, sore throat or shortness of breath, please call our office before you arrive. Any patient that has traveled out of state, please call before your appointment for travel information and review our travel policy. Our Mt. Airy location is now open and Wheaton patients now call Rockville & Germantown. View more information.


Yousuf A. Gaffar, M.D.

Yousuf A. Gaffar, M.D.



10710 Charter Dr #G020 Columbia, MD 21044
Phone: 410-964-2212
Fax: 410-964-0380
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Yousuf A. Gaffar, M.D.


University of Rochester

Medical School

Saba University School of Medicine


Rutgers - Robert Wood Johnson Medical School


Rutgers- Robert Wood Johnson Medical School


USF- Moffitt Cancer Center

Board Certification

Medical Oncology 



American Society of Clinical Oncology

Maryland and DC Society of CLinical Oncology


Dr. Gaffar believes in effective communication and getting to know his patients as if they are part of his family. He follows a patient-centered approach as a member of a multidisciplinary team. He has a strong interest in educating his patients and understanding their goals. Dr. Gaffar has utilized technology to continue this approach with Telehealth. Additionally, he stays abreast of the ever-changing fields of medical oncology and hematology.

Dr. Gaffar has practiced over 15 years in the Baltimore area, first in a practice affiliated with US Oncology for over 5 years. He then served as a member of a hospital-based multidisciplinary team at the University of Maryland St. Joseph Medical Center for over 9 years. Dr. Gaffar has expertise to assist and devotes time to his patients from the moment they walk in the door. He prides himself on his availability for them. 

He strongly encourages clinical trial participation to continue advances in cancer care and to date has enrolled patients as site investigator to over 40 clinical trials. Additionally, he has been honored as a Top Doctor in Baltimore Magazine several times. 

Dr. Gaffar is a strong proponent of physical fitness with CrossFit, practices somatic meditation and competitive axe throwing. He is a loving father of five.