Joseph D. Layser, MD

Dr. Layser completed his medical degree and a surgery internship at the University of Pennsylvania. He completed a residency in therapeutic radiology at the University of California Hospital in San Francisco. He is board certified by the American Board of Radiology in the subspecialty of radiation oncology.

A radiation oncologist at Riverside Regional Medical Center’s Cancer Treatment Center for more than 30 years, Dr. Layser has delivered attentive care with specialized expertise that has led to many successful outcomes for his patients. He is a past president of the American Cancer Society’s Peninsula unit and has served on the James River Cancer Center Institutional Review Board and the Riverside Regional Medical Center Radiation Safety Committee.

Originally from Lebanon, Pennsylvania, Dr. Layser now calls Newport News home. He and his wife Marjorie have two grown children.


Riverside Radiation Oncology Specialists - Gloucester
7544 Medical Drive
Gloucester, VA

Riverside Radiation Oncology Specialists - Williamsburg
3901 Treyburn Drive
Williamsburg, VA

Riverside Radiation Oncology Specialists - Warwick
12100 Warwick Boulevard
Newport News, VA

Medical School

University of Pennsylvania School of Medicine


University of California-San Francisco

Board Certifications

American Board of Radiology

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