Offering Radiation Oncology


Mission Hope Cancer Center | Santa Maria | 805-925-2529


Your Oncology Team

Diagnosing and treating cancer is complex. We use a multidisciplinary approach, which consists of different medical professionals to give you the best possible outcome. Your healthcare team meets twice weekly at Mission Hope Cancer Center for Tumor Board to discuss all cancer cases and share knowledge to determine the best possible treatment for our patients. Every patient receives an individualized treatment plan.

A Radiation Oncologist…

is a doctor who specializes in treating cancer using radiation therapy.

Dylan R. Conroy, MD

Dylan R. Conroy, MD

RADIATION ONCOLOGIST

Born and raised in Buffalo, New York, Dr. Conroy graduated summa cum laude from Canisius College with a B.S. in biology. He went on to receive his medical degree from Georgetown University School of Medicine. During medical school, he co-founded a music and medicine group with his future wife, playing music for pediatric patients.

Dr. Conroy remained in Washington, DC, to complete his residency in Radiation Oncology at MedStar Georgetown University Hospital, wherehe served as Chief Resident in his final year. During his training, he gained experience across myriad radiotherapy techniques, including intensity-modulated radiation therapy (IMRT), volumetric modulated arc therapy (VMAT), image guided radiation therapy (IGRT), stereotactic body radiation therapy (SBRT), stereotactic radiosurgery (SRS), and brachytherapy for prostate and gynecologic malignancies. He is an active member of the American Society of Therapeutic Radiation Oncology (ASTRO), European Society for Radiotherapy and Oncology
(ESTRO), and American Society of Clinical Oncology (ASCO). He has researched and published on prostate cancer, SBRT, and radiosurgery.

Dr. Conroy enjoys golfing, hiking, and spending time with his wife along with their dog and cats. He also enjoys playing music and attending concerts. He is a passionate Buffalo Bills fan, proudly supporting his hometown team. Dr. Conroy is an enthusiastic gardener and looks forward to putting down his roots in the Central Coast community.

Dr. Conroy practices at Coastal Radiation Oncology Center in Lompoc, California, and Mission Hope Cancer Center in Santa Maria, California.

Jonathan Van Wickle, MD

Jonathan Van Wickle, MD

RADIATION ONCOLOGIST

Dr. Van Wickle is a Central Coast native, born and raised in Santa Barbara, California. He received his medical degree from the Medical College of Wisconsin and completed Radiation Oncology residency at the University of Iowa. He is grateful to return home to the Central Coast to provide outstanding care for his patients. His focus as a radiation oncologist is on optimizing patient outcomes by delivering high-quality, evidence-based care taking each patient’s unique needs into account. One of his main goals is for each patient to have a clear understanding of, and confidence in, their treatment plan.

Dr. Van Wickle has extensive training in image-guided radiation therapy including stereotactic radiosurgery (SRS), stereotactic body radiotherapy (SBRT) and volumetric arc radiation therapy (VMAT). He also has extensive experience with HDR brachytherapy for gynecological and genitourinary cancers. Dr. Van Wickle has published in multiple basic science and clinical journals and presented research on gastrointestinal cancers at national meetings. Outside of work, Dr. Van Wickle enjoys spending time with his wife and two rambunctious kids.

J. Ben Wilkinson, MD, FACRO

RADIATION ONCOLOGIST

Ben Wilkinson, MD, is a board-certified radiation oncologist who specializes in the treatment of all cancers including prostate, breast, lung, and brain tumors. Dr. Wilkinson is a proud alumnus of both Texas Christian University and Texas A&M College of Medicine. He completed his medical internship at the University of Maryland and his residency at William Beaumont Hospital in Michigan.

One of the focuses of his medical practice is providing care that is consistent with national guidelines and scientific literature.

Dr. Wilkinson has contributed to clinical research through authoring or co-authoring more than 30 peer-reviewed publications. He has presented his research at multiple national meetings and is cochair for the American Society for Radiation Oncology and the American College of Radiation Oncology membership committee.

Dr. Wilkinson enjoys helping the under-served and sits on the board of the Radiating Hope Foundation, a non-profit that provides radiation treatment equipment to developing countries including Panama, Senegal, and Nepal.

Dr. Wilkinson and his wife Laurin grew up in San Diego and moved around the country quite a bit before planting roots here on the Central Coast. They have three daughters, Brinkley, Elley, and Natalie, and are actively involved in their church. Dr. Wilkinson enjoys attending Bible Study Fellowship and giving back to the community.