Dr. Sheri Marquez and Dr. Case Ketting lead a qualified and dedicated team of cancer care professionals at Santa Maria Radiation Oncology. Santa Maria offers a full range of treatment options, including Intensity-Modulated Radiation Therapy (IMRT) and Image-Guided Radiation Therapy (IGRT). The compassionate team of Radiation Therapists, Physicists, Dosimetrists and Techs at Santa Maria delivers individualized treatments with care and expertise.

In January 2009, the Coastal Group was pleased to welcome Dr. Ketting, who brings with him over 17 years of experience in radiation oncology.

In 1999, Dr. Marquez was the recipient of the Resident of the Year award by the American Association for Women Radiologists. Both Dr. Marquez and Dr. Ketting are committed to continued research and education in the Santa Maria community, conducting regular speaking engagements and outreach to improve cancer care outcomes.