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.


A Zakaria Hegazi, M.D.

Amr Zakaria Hegazi, M.D.


Medical Oncology


46-B Thomas Johnson Drive Frederick, MD 21702
Phone: 301-695-6777
Fax: 301-695-4852
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Mt. Airy - Now Open
205 Center Street Mt. Airy, MD 21771
Phone: 301-829-0707
Fax: 301-829-5505
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Amr Zakaria Hegazi, M.D.

Medical School

Ain Shams University, Cairo, Egypt


Internal Medicine, Atlantic City Medical Center


Medical Oncology, Washington Hospital Center in Washington, D.C.

Board Certification

  • Internal Medicine 
  • Medical Oncology


Dr. Hegazi is the co-founder and director of FOHA. He graduated with high honors from Ain Shams University in Cairo, Egypt. Dr. Hegazi completed an internal medicine residency at Atlantic City Medical Center and a medical oncology fellowship at the Washington Hospital Center in Washington, D.C. Dr. Hegazi, who is board certified in internal medicine and medical oncology, has been practicing cancer medicine in Frederick since 1997.