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1325 Church Street
Santa Maria, CA 93454

Phone: (805) 925-2529
Fax: (805) 928-4478

Dr. Case Ketting, Dr. Jeffrey Wu, and Dr. Ben Wilkinson lead the qualified and dedicated team of cancer treatment professionals at Coastal Radiation Oncology’s Mission Hope Cancer Center site in Santa Maria. Our center offers a full range of treatment options, including 3D Radiation Treatment Planning, Intensity-Modulated Radiation Therapy (IMRT), Image-Guided Radiation Therapy (IGRT), Volumetric Modulated Arc Therapy (VMAT), Stereotactic Body Radiation Therapy (SBRT) and Respiratory Motion Compensated Radiation Therapy.  The compassionate team of Radiation Therapists, Physicists, Dosimetrists and Medical Staff at Coastal Radiation Oncology at Mission Hope Cancer Center delivers individualized treatments with care and expertise.

Focusing On Our Patients
At Coastal Radiation Oncology at Mission Hope Cancer Center we know that each patient we treat is unique – from their medical diagnosis to their personal drive and individual spirit.

For more information on our Technology Treatments Click Here


Dr. Ketting is a former electrical engineer and a graduate of the University of Washington School of Medicine. He completed his radiation oncology specialty training at Loma Linda University Medical Center, then returned to University of Washington as a research fellow.

Santa Maria - Mission Hope Cancer Center
Lompoc Radiation Oncology Center



J. Ben Wilkinson.JPG

Dr. Ben Wilkinson is a board-certified radiation oncologist specializing in the treatment of all cancers including prostate, breast, lung, and brain tumors. He and his wife, Laurin, grew up in San Diego. After graduating high school, Dr. Wilkinson attended college at Texas Christian University and then medical school at Texas A&M College of Medicine. He completed his intern year at University of Maryland, followed by residency at William Beaumont Hospital in Michigan.



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