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Our Team

Dr. Chad Sila, M.D.

Chad Sila, M.D. graduated Summa Cum Laude from the University of California-Riverside with a degree in Biological Sciences. He earned his medical degree from Loma Linda University School of Medicine where he graduated among the top 1% of his class. He completed his residency in Radiation Oncology at Loma Linda University where he served as Chief Resident. He additionally scored in the top 1% of all radiation oncology residents on the American College of Radiology in-service examination. During his training, he presented research on Glioblastomas and Arteriovenous Malformations at the American Society for Therapeutic Radiation Oncology (ASTRO) annual meetings.

Following graduation, Dr. Sila completed additional subspecialty training in MRI-based HDR brachytherapy, Stereotactic Radiosurgery and Stereotactic Body Radiation Therapy at the University of California-San Diego Moores Cancer Center.

Dr. Sila has a particular interest in prostate, breast, CNS, and head and neck malignancies. He is trained in Intensity Modulated Radiation Therapy (IMRT), Image-Guided Radiation Therapy (IGRT), CT/MRI/PET fusion, High Dose Rate (HDR) and Low Dose Rate (LDR) Brachytherapy, Partial Breast Irradiation, Stereotactic Radiosurgery (SRS), Stereotactic Body Radiation Therapy (SBRT), and Proton Beam Radiation.

Dr. Sila places a special emphasis on the mental and spiritual care of his patients. He is a firm advocate of the concept of "whole person care," believing that medicine is best practiced by compassionate, caring physicians who combine strong clinical acumen and cutting edge technology with an understanding of the unique psychosocial needs of patients. As medical director of the South Bay Cancer Center, he has been instrumental in establishing various patient support entities, including leading a weekly support group at the center.>

Dr. Sila has privileges at Harbor – UCLA Medical Center and Centinela Hospital Medical Center.


Cliff Merlo, MD - Radiation Oncologist 


Arthur S. Chung, MD - Radiation Oncologistt


Edna Mayorga - Patient Care Coordinator


Elsa Silva, Medical Assistant


Lidia Ramos - Medical Assistant


Tim Carroll MS, DABR -  Medical Physicist


Paul Rodriguez BS, RT(T), CMD - Dosimetrist


Alisa Umpuch BS, RT(T) - Chief Therapist


Courtney Hawes - BS, RT(T) - Radiation Therapist


Chastity Phillips RT(T) Radiation Therapist


Michael Aguilera - Tech Aide


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