Dr. Daniel Mark

Daniel Mark

Daniel Mark
Radiation Oncologist

Languages spoken


Expert in

Radiation oncology



West Palm Beach (Radiation oncology)
West Palm Beach (Radiation oncology)

1309 North Flagler Drive
West Palm Beach, Florida 33401

26.7255697, -80.0529499

Daniel Mark, MD, is a Board Certified Radiation Oncologist practicing in West Palm Beach and Palm Beach Gardens, FL. He completed his undergraduate degree cum laude at Harvard University. and attended medical school at Albert Einstein College of Medicine. Dr. Mark was an elected member of Alpha Omega Alpha Honor Medical Society, which honors students for excellence in scholarship and the highest ideals in the profession of medicine. He was also named to the 2022 Palm Beach Illustrated list of Top Docs. 

Dr. Mark served as Chief Resident of Radiation Oncology at Northwell Health in Long Island, New York, completing his training from 2016 to 2020. During this time, he published multiple research articles, was a Teaching Associate in Radiation Medicine, and demonstrated active leadership involvement in various Committee Services and Professional Societies.

Dr. Mark’s unique approach to medicine combines his tireless work ethic, compassion, and persistence to deliver high quality, evidence-based care. He treats every patient as he would his family and close friends, and has been trained in treating all cancer sites with various innovative techniques to ensure optimal patient care and clinical outcomes. Alongside his passion for medicine, Dr. Mark enjoys traveling, playing the clarinet, and staying active in sports such as running and yoga.

Professional associations


  • Paraganglioma (Chapter 5), Intracranial and Spinal Radiotherapy. Springer · Mar 9, 2021. View publication >
  • Local Radiation Therapy for Palliation in Patients With Multiple Myeloma of the Spine. Jul 3, 2019. View publication >
  • Proton therapy for the treatment of pediatric head and neck cancers: a review. International Journal of Pediatric Otorhinolaryngology. Dec 1, 2015. View publication >

In the media

I was diagnosed with breast cancer at 8 months pregnant. I had a C-section before my due date so I could start chemo.

September 29, 2022

View article

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