Valley Radiation Therapy Center
Anchorage Radiation Therapy Center
Alaska Regional Hospital
2841 DeBarr Rd. Ste 100 - Building A
Anchorage, AK 99508
907-276-2400
Toll Free 877-276-4655 spacer Map

Valley Radiation Therapy Center
Mat-Su Regional Medical Plaza
2490 S. Woodworth Loop, Ste 150
Palmer, AK 99645
907-745-2900
Toll Free 877-276-4655 spacer Map
About Us
Radiation Oncology Physicians

Richard T. Chung, MD
Richard T. Chung, MD
Clare Bertucio, MD
Berit Madsen, MD
Carol Swarts, MD
Carol Swarts, MD


Medical Physicists and Dosimetry Staff
Darwin Zellmer, PhD
Sue Wirth, RTT
Karen Roach, CMD

Radiation Therapists
Jeanne Wagner, RTT
Jennifer Stewart, RTT
Glenn Skadan, RTT
YoungJu Kim, RT
Dan Rivera, RTT
Heath Bonsall, RTT
Tanisha Herring, RTT
Sarah Heitman


Nursing Staff
Diane Timmerman, RN
Mai Thao, CMA
Lynette Jackson, CMA

Patient Care Coordinators
Defileen Abaya
Gwen Heynen
Lacey Bonsall

Practice Management
Kari Disbrow, Business Administrator