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Catherine E. Mercado, MD

Dr. Catherine Mercado is a board-certified radiation oncologist with the Center for Advanced Radiation Therapy at Orlando Health Cancer Institute. She provides compassionate care for pediatric and adult patients at every stage of cancer and has additional expertise in proton therapy, intensity-modulated radiotherapy, stereotactic radiosurgery and image-guided radiotherapy.

Christian Donato-Santana, MD

Dr. Christian Donato-Santana is a board-certified infectious diseases physician with Orlando Health Medical Group Infectious Diseases. His areas of specialty include:

Chandni Patel Parmar, MD

Chadwick P. Smith, MD

Dr. Chadwick Smith is an acute care surgeon with Orlando Health Medical Group Surgery and a surgeon with the Orlando Health Complex Hernia Center. He is board certified in general surgery, surgical critical care and neuro-critical care. Dr. Smith’s surgical interests include acute care, robotic and burn surgery, and his expertise includes:

Stephen Gregory Hersperger, MD

Stephen G. Hersperger, MD, is a surgeon with Orlando Health who is board certified in general surgery and surgical critical care.

Suzanne Burlone, MD

Nisarg V. Patel, MD

Ninous Youssef, MD

Natasha Rai, MD

Naren Ramakrishna, MD, PhD

Dr. Naren Ramakrishna is a board-certified radiation oncologist with Orlando Health Cancer Institute and Orlando Health Arnold Palmer Hospital for Children. He serves as medical director of the institute’s proton therapy program and specializes in adult and pediatric brain and spine tumors. His expertise includes: