Our Doctors

Board certified, ready to help in your time of need

Jonathan Abelson, M.D.

Jonathan Abelson, M.D.

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Dr. Abelson graduated with honors from Pomona College with a B.A. in Mathematical Economics. He obtained his M.D. from UCLA medical school, where he received the Aesculapian award for service and leadership. He completed his residency training in Radiation Oncology at Stanford University, serving as chief resident in his final year. At Stanford, Dr. Abelson gained comprehensive training in general radiation oncology and expertise in intensity-modulated and image-guided radiation therapy (IMRT and IGRT) and in stereotactic intracranial and body radiosurgery (SRS and SBRT).

Dr. Abelson has authored numerous manuscripts on various aspects of IMRT, IGRT and SBRT, and he has presented at conferences in the United States and internationally. While at Stanford he conducted a clinical trial investigating pulmonary lymphography in SBRT, and on the Central Coast he implemented SBRT and SRS programs. Dr. Abelson is Board Certified in Radiation Oncology by the American Board of Radiology. He is a member of the American Society for Therapeutic Radiology and Oncology (ASTRO), the American Society of Clinical Oncology (ASCO), and the American College of Radiation Oncology (ACRO).

Dr. Abelson practices at North Oaks Radiation Oncology Center in Thousand Oaks, Westlake Village Radiation Oncology Center, and Simi Valley Radiation Oncology Center.

Eugene Ahn, M.D.

Eugene Ahn, M.D.

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A graduate of the University of Washington, Dr. Ahn attended medical school at the New York University School of Medicine and completed a residency at UCLA Medical Center. He is board-certified in therapeutic radiology with a particular interest in stereotactic radiosurgery for brain tumors and head and neck cancers. Additionally, Dr. Ahn has significant experience in MammoSite brachytherapy for early stage breast cancer. Dr. Ahn initiated the first MammoSite treatment in Ventura County in 2004. The breast brachytherapy program in Thousand Oaks is now the largest in Ventura, Santa Barbara, and San Luis Obispo counties.

Dr. Ahn has published on stereotactic radiosurgery and was the recipient of the Young Oncologist Research Award 2003 from the American Radium Society. He is Vice President of Coastal Radiation Oncology Medical Group and is co-medical director of the Los Robles Gamma Knife Center in Thousand Oaks. Dr. Ahn is a member of the American Society for Therapeutic Radiology and Oncology (ASTRO).

Dr. Ahn practices at North Oaks Radiation Oncology Center in Thousand Oaks, and is medial director of the Simi Valley Radiation Oncology Medical Center in Simi Valley.

Jacob Andrade, M.D.

Jacob Andrade, M.D.

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Dr. Andrade graduated from the UCSD Jacobs School of Engineering with a degree in bioengineering. During his undergraduate studies he received an NIH Scholars fellowship in which he investigated the role of bone marrow stem cells in cardiac repair. He attended medical school at the Keck School of Medicine of the University of Southern California in Los Angeles. During medical school he served as chair of the local USC Chapter of the Latino Medical Student Association (LMSA). He also served as vice president of mentorship for the LMSA Western Region including California, Washington, Arizona, Utah and New Mexico. 

As part of his medical school training he also completed a doctorate degree in genetic, molecular, and cellular biology. His main focus was to study the role of radiation in preparing the bone marrow microenvironment for stem cell transplantation. He was also active in the study of adult hematopoietic stem cells and the ability to regenerate various organ systems. He has published several national and international peer-reviewed journal articles on this subject.

Dr. Andrade completed an internship in Internal Medicine at the UCSF Fresno Medical Education Program. He completed his radiation oncology residency at the Los Angeles County + University of Southern California Medical Center where he served as Chief Resident. During residency he participated in research comparing radiotherapy and chemotherapy regimens for stem cell transplantation. This work was presented at the annual meeting of the American Society of Therapeutic Radiation Oncology. He also received a resident seed grant from the American College of Radiation Oncology to investigate the combination of immunotherapy and radiotherapy in treatment of skin cancers.

Dr. Andrade is a member of the American Society of Therapeutic Radiation Oncology (ASTRO), the American College of Radiation Oncology (ACRO) and the American Society of Clinical Oncology (ASCO). He has experience in a variety of radiotherapy techniques including intensity-modulated radiation therapy (IMRT), image guided radiation therapy (IGRT), stereotactic body radiation therapy (SBRT), volumetric modulated arc therapy (VMAT), and high-dose rate (HDR) brachytherapy for gynecologic, prostate, and breast malignancies.

Dr. Andrade is a native Spanish speaker and practices at Coastal Radiation Oncology Group’s Salinas Radiation Oncology Center located in Salinas, California.

Kenneth Biehl, M.D.

Kenneth Biehl, M.D.

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Dr. Kenneth Biehl is a board certified radiation oncologist who received his BS in mathematics from Brigham Young University and his MD from the Washington University School of Medicine. He completed an internship in Internal Medicine St. Mary’s Health Center in Saint Louis, MO and a fellowship in the Department of Radiation Oncology at Washington University. Dr. Biehl holds memberships in the European Society for Therapeutic Radiology and Oncology, the American Society for Therapeutic Radiology and Oncology, and the American Radium Society. Dr. Biehl has published articles in national and international journals on treatment for female malignancies, lung cancer, head and neck cancer and DNA repair mechanisms.

Dr. Biehl has presented research at in Europe and North America and was the winner of the European Society for Therapeutic Radiation and Oncology young researcher award for work in advancing treatment for cervical and endometrial cancer. Dr. Biehl lives with his wife and three children in Salinas, California where he enjoys coaching his daughter’s softball team, working with the Boy Scouts of America, trail running, mountain biking, and surfing. Dr. Biehl is fluent in Spanish. (Habla Español.)

Dr. Biehl practices at Coastal Radiation Oncology Medical Group’s Salinas Radiation Oncology Center located in Salinas, California.

Thomas Fogel, M.D., FACRO

Thomas Fogel, M.D., FACRO

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Dr. Fogel has been with Coastal Radiation Oncology Medical Group since 1985 and served as practice president from 1996 to 2002. After graduating from Rensselaer Polytechnic Institute and Albany Medical College in New York, Dr. Fogel completed residencies at Brown University Program in internal medicine and Yale University School of Medicine in radiation oncology. He is board-certified in both internal medicine and radiation oncology and is an honorary life member of the Board of Directors of the American Cancer Society, and is a past president of the California division.

Dr. Fogel has been published widely and has numerous research interests, including transperineal implants in patients with prostate cancer. He is a member of the American Society of Radiation Oncology (ASTRO), American Society of Clinical Oncology (ASCO), American College of Radiology (ACR), and is a fellow of the American College of Radiation Oncology (ACRO).

Dr. Fogel practices at the Cabrillo Radiation Oncology Center in Ventura.

Robert Johnson, M.D.

Robert Johnson, M.D.

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Dr. Johnson graduated from the University of California, Los Angeles with a B.S. in Biology. He obtained his M.D. from the University of Cincinnati College of Medicine. He completed his residency training in Radiation Oncology at the University of Louisville, serving as chef resident in his final year. At the University of Louisville, Dr. Johnson gained comprehensive training in general radiation oncology. It was there he developed particular interest in cancers of the head and neck, lung, as well as gastrointestinal malignancies. He has significant experience with stereotactic intracranial and body radiosurgery (SRS and SBRT).

Dr. Johnson has presented on contralateral prophylactic mastectomy, colon cancer, radiotherapy in prostate cancer and other topics. Dr. Johnson’s personal experience with cancer taught him the importance of compassion when taking care of cancer patients and led him to pursue a career in Radiation Oncology. Dr. Johnson is Board Certified in Radiation Oncology by the American Board of Radiology. He is a member of the American Society for Therapeutic Radiology and Oncology (ASTRO), and the American Society of Clinical Oncology (ASCO).

Dr. Johnson, who is proficient in Spanish, practices at San Luis Obispo Radiation Oncology Center in San Luis Obispo.

Case Ketting, M.D.

Case Ketting, M.D.

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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.

Subsequently, Dr. Ketting served as Assistant Professor with Loma Linda University, then as medical director of the Jordan Family Radiation Oncology Department at St. Jude Medical Center in Fullerton, California, from 2000 through 2006. His colleagues at St. Jude voted him “Most Compassionate Physician” in 2002. Dr. Ketting has been with Coastal Radiation Oncology since 2009.

When not at work, he enjoys playing “Papa” to his twin daughters and piloting classic aircraft.

Steven Lau, M.D.

Steven Lau, M.D.

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Dr. Lau graduated summa cum laude from Washington University in St. Louis with a degree in biology. He studied genomics at the University of Cambridge, United Kingdom, before attending medical school at the University of California San Diego where he also completed a doctorate in cancer cell invasion and metastasis. After receiving his M.D., Dr. Lau served a transitional year internship at the University of Hawaii. He completed his radiation oncology residency at the University of Texas, Southwestern Medical Center in Dallas, Texas.

Dr. Lau is experienced in a variety of radiotherapy techniques including intensity-modulated radiation therapy (IMRT), volumetric modulated arc therapy (VMAT), image-guided radiation therapy (IGRT), stereotactic radiosurgery (SRS), stereotactic ablative radiotherapy (SBRT/SABR), high-dose-rate (HDR) and low-dose-rate (LDR) brachytherapy, Cyberknife, and Gamma Knife. In addition to SRS and SBRT, oligometastatic disease and palliative care are among Dr. Lau’s areas of interest. He has published in many peer reviewed journals and presented his research at numerous society meetings.

Dr. Lau is proficient in Spanish and Cantonese Chinese. He is a member of the American Society for Radiation Oncology (ASTRO), the American Society of Clinical Oncology (ASCO), and the American Brachytherapy Society (ABS). Dr. Lau is happy to return to California and looks forward to engaging in his favorite outdoor activities while exploring the region more fully.

Dr. Lau practices at Coastal Radiation Oncology Medical Group’s Westlake Village Radiation Oncology Center in Westlake Village, North Oaks Radiation Oncology Center in Thousand Oaks, and Cabrillo Radiation Oncology Center in Ventura.

Paul Miller, M.D.

Paul Miller, M.D.

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After earning degrees in Chemistry, Psychology and Chemical Engineering at the University of Kansas, Dr. Miller worked briefly as a research engineer in the aerospace field in Southern California working on the development of the space shuttle. Dr. Miller then worked in a genetics research lab at the University of Kansas where he later attended medical school and completed training in radiation oncology. Board-certified by the American College of Radiology, Dr. Miller has been an assistant clinical professor in the Department of Radiation Oncology at UCLA School of Medicine since 1990.

Dr. Miller has participated in multiple clinical trials through the years and previously held the position of principal investigator at Los Robles Regional Medical Center in Thousand Oaks, for the Southwest Oncology Group, a national cancer research organization funded by the National Cancer Institute, in cooperation with UCLA. He has published research on high-grade brain tumors, and has actively participated in studies on breast cancer, lung cancer, and brain tumors. Dr. Miller has used his engineering background to spearhead the advancement of optimal technologies for the treatment of cancer patients within this group. He is a member of the American Medical Association (AMA), the American Society of Therapeutic Radiology and Oncology (ASTRO), and the American Society of Clinical Oncology (ASCO).

Dr. Miller practices at North Oaks Radiation Oncology Center in Thousand Oaks and Westlake Radiation Oncology Center.

Jeffrey Rodnick, M.D.

Jeffrey Rodnick, M.D.

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A graduate of the University of California at Davis, Dr. Rodnick attended medical school at UCLA where he also completed his residency in Internal Medicine in 1988. Dr. Rodnick completed a radiation oncology residency at the University of California at Irvine in 1992, where he subsequently served as an Assistant Clinical Professor.

Dr. Rodnick now serves as the medical director for Coastal Radiation Oncology Medical Group and is an active member of the American Society for Radiation Oncology (ASTRO), the American College of Radiology (ACR) and the Ventura County Medical Association. Dr. Rodnick is board certified in both Radiation Oncology and Internal Medicine.

Dr. Rodnick practices at Cabrillo Radiation Oncology Medical Center in Ventura.

Lauren Tait, M.D.

Lauren Tait, M.D.

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Dr. Tait graduated magna cum laude from Loyola Marymount University in Los Angeles, California with her degree in biology. After receiving her MD in allopathic medicine from the Chicago Medical School, Rosalind Franklin University of Medicine and Science, Dr. Tait completed an internship in Internal Medicine at Advocate Illinois Masonic Medical Center where she was recognized as the outstanding intern of the year. She completed radiation oncology residencies at Wayne State University/Detroit Medical Center and the University of California, Davis where she served as Chief Resident.

Dr. Tait is board-certified in radiation oncology and is a member of the American College of Radiation Oncology (ACRO). She has experience in a variety of radiotherapy techniques including intensity-modulated radiation therapy (IMRT), stereotactic body radiation therapy (SBRT), stereotactic radiosurgery (SRS), volumetric modulated arc therapy (VMAT) and high-dose-rate (HDR) brachytherapy for gynecologic malignancies. She has published several peer-reviewed articles and presented her research findings at numerous society meetings. Some of her early research focused on women’s cancer issues including brachytherapy for locally advanced cervical cancer, as well as cardiac toxicity following chemoradiation therapy for esophageal carcinoma. In addition, Dr. Tait has studied small cell and non-small cell lung cancers, and cancers of the head and neck.

Born and raised in Phoenix, Arizona, Dr. Tait is delighted to settle in the Central Coast of California. She enjoys spending her free time outdoors exploring the region and is an avid dog lover.

Dr. Tait practices at Coastal Radiation Oncology Group’s Templeton Radiation Oncology Center located in Templeton, California.

 Jonathan Stella, M.D.

Jonathan Stella, M.D.

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After completing an internal medicine internship at the East Tennessee State University College of Medicine, Dr. Stella pursued an oncology residency at the University of Miami, Jackson Hospital and a radiation oncology residency at the West Coast Cancer Foundation in San Francisco. His training included rotations through UCSF, Stanford University, and Lawrence Berkeley Lab, studying the therapeutic applications of stripped atomic nuclei.

Dr. Stella is active in many societies, including the American Medical Association, the California Medical Association, and the American Society of Therapeutic Radiology and Oncology.

Dr. Stella practices at the San Luis Obispo Radiation Oncology Medical Center in San Luis Obispo.

Patrick Williams, M.D.

Patrick Williams, M.D.

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Dr. Williams was raised in a small town in Mississippi and graduated cum laude from the University of Mississippi with a degree in civil engineering. He received his M.D. from the University of Mississippi Medical Center. Dr. Williams completed an internal medicine internship at St. Mary’s Medical Center in San Francisco. He completed his radiation oncology residency at the University of Southern California, serving as chief resident in the final year.

At the University of Southern California, Dr. Williams’ training was comprehensive and included a variety of radiotherapy techniques including image guided radiation therapy (IMRT), stereotactic ablative radiotherapy and stereotactic body radiation therapy (SABR/SBRT) with 4D-CT and respiratory management (including liver, lung, and spine), stereotactic radiosurgery (SRS) with Gamma Knife Perfexion and CyberKnife, and both high and low dose rate (HDR and LDR) brachytherapy. He opened two Phase I prospective clinical trials for which he was principal investigator, both exploring the psychology of the cancer patient, and how cancer treatments impact perception and memory.

Dr. Williams is a member of the American Society for Therapeutic Radiology and Oncology (ASTRO), American Society of Clinical Oncology (ASCO), and the American College of Radiation Oncology (ACRO).

Dr. Williams practices at Coastal Radiation Oncology Medical Group’s Lompoc Radiation Oncology Center in Lompoc, California and Mission Hope Cancer Center in Santa Maria, California.

Jeffrey Wu, M.D.

Jeffrey Wu, M.D.

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Raised in Virginia Beach, Virginia, Dr. Wu graduated cum laude from Duke University with majors in Chemistry and Biology. He received his M.D. from David Geffen School of Medicine at UCLA and was inducted into the Alpha Omega Alpha medical honor society. He remained in Los Angeles to complete an internship at Harbor-UCLA Medical Center and an additional four years of dedicated radiation oncology training at UCLA. He has extensive experience in stereotactic radiosurgery (SRS), stereotactic body radiotherapy (SBRT), volumetric modulated arc therapy (VMAT), intensity-modulated radiation therapy (IMRT), and high-dose-rate (HDR) brachytherapy for various types of cancer including tumors of the head and neck, prostate, lung, liver, breast, and other sites throughout the body.

Dr. Wu has been invited to present his research at various national and international conferences, and he has published numerous peer-reviewed articles as well as a recent book chapter on radiation therapy for elderly patients. He was also honored to serve as Chief Resident during his final year in the UCLA Medical Center Department of Radiation Oncology.

Dr. Wu practices at the Mission Hope Cancer Center in Santa Maria.

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