Member of Orlando Health Medical Group Member of Orlando Health Medical Group

Catherine E. Mercado, MD - Radiation Oncology

Orlando Health Cancer Institute - Downtown Orlando

Address: 1400 S. Orange Ave.
Orlando, FL 32806

Call: 321.841.1869

Office Hours:


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Catherine E. Mercado, MD, is a radiation oncologist with the Center for Advanced Radiation Therapy at Orlando Health Cancer Institute.

Dr. Mercado earned her medical degree from Georgetown University School of Medicine in Washington, D.C., and her undergraduate degree from Williams College in Williamstown, Massachusetts. She completed her residency in radiation oncology and served as chief resident at University of Florida Shands Hospital and UF Health Proton Therapy Institute in Gainesville and Jacksonville, Florida. During her residency, she received several awards for her research and patient care, including induction into the Gold Humanism Society and the UF College of Medicine Outstanding Educator Award.

Dr. Mercado has presented nationally and internationally and published in numerous peer-reviewed medical journals. She provides compassionate care for patients at every stage of cancer and performs advanced procedures such as proton therapy, intensity-modulated radiotherapy, stereotactic radiosurgery, and image-guided radiotherapy. She is also fluent in both English and Spanish.

Academic Information

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Medical Education

Georgetown University


St. John Hospital and Medical Center


University of Florida
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