James K. Gerstley, M.D.
Radiation Oncologist, Co-Director

Dr. James K. Gerstley completed a residency in Internal Medicine at Thomas Jefferson University Hospital in Philadelphia and a residency in Radiation Oncology at Yale-New Haven Hospital. He moved to Orlando, FL where he practiced for ten years and co-founded The Center for Cancer Care, an affiliate of Johns Hopkins Department of Radiation Oncology. Dr. Gerstley has been a pioneering practitioner of Intensity Modulated Radiation Therapy since the FDA approved it in 1996. He moved with his wife, Linda, and four children to Rockland County in 1998 to help design and run Advanced ROS, the new state-of-the-art radiation center in Nyack, NY. Dr. Gerstley is one of the country’s most experienced practitioners of prostate brachytherapy, having treated over a thousand patients with this procedure. He is Board Certified in Radiation Oncology and on staff at both Nyack Hospital and The Valley Hospital.


Tulane University School of Medicine, Doctor of Medicine, 1982
University of Pennsylvania, graduated Cum Laude with a B.A. in Biology, 1978

Postgraduate Training

Thomas Jefferson University Hospital, Residency in Internal Medicine, 1982 -1985
Yale-New Haven Hospital, Residency in Radiation Oncology, 1985 -1988

Work Experience

· Radiation Therapy Consultants, P.C. and Florida Hospital Department of Radiation Oncology, The Center for Cancer Care, 1988 -1998

· The Valley Hospital, Ridgewood, NJ, 1998 -1999

· Advanced ROS (Advanced Radiation Oncology Services of Rockland, P.C.), Nyack, NY, 1999 - Present


American Board of Radiology in Radiation Oncology

American Society for Therapeutic Radiology and Oncology (ASTRO)
American College of Radiology
American Medical Association
New York Medical Society

Curriculum Vitae