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.


Ari D. Fishman, M.D., F.A.C.P.

Ari Fishman, M.D., F.A.C.P.


Medical Oncology


Wheaton - Closed - Schedule with Wheatons Dr’s at our alternate Rockville & Bethesda location
2730 University Blvd W #400 Silver Spring, MD 20902
Phone: 301-424-6231
Fax: 301-942-9223
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6420 Rockledge Dr, #4200
Bethesda, MD 20817-7847
Phone: 301-424-6231
Fax: 301-929-0611
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Ari Fishman, M.D., F.A.C.P.

Medical School

Tel Aviv University


Internal Medicine, Albert Einstein College of Medicine in Bronx, NY


Hematology & Medical Oncology, Montefiore Medical Center, Albert Einstein Cancer Center at Albert Einstein College


Prior to joining Maryland Oncology Hematology in July 2014, Dr. Fishman spent thirteen years in private practice at Washington Oncology Hematology Center with locations in Washington D.C. and Chevy Chase, Maryland.

He currently serves as an Assistant Professor of Medicine at George Washington University of Medicine. Dr. Fishman is board certified in Hematology and Medical Oncology.

Dr. Fishman is an accomplished clinician and a member of the American College of Physicians and American Society of Clinical Oncology (ASCO). He has been recognized by his peers as a Top Doctor in Hematology and Oncology in Washington Magazine (2005-2015).