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Oscar Casillas, MD

Site Director

Dr. Oscar F. Casillas is the site director at Martin Luther King, Jr. Community Hospital, where he oversees the Hospitalist, Critical Care, Emergency Medicine and Observation Services. An emergency medicine physician, he is the medical director of the Martin Luther King, Jr. Community Hospital Emergency Department and an attending physician at Santa Monica-UCLA  Medical Center – Emergency Medicine Center. At Martin Luther King, Jr. Community Hospital, he is secretary treasurer of the Medical Executive Committee and a member of numerous other committees, including Acute Care Services, Professional Practice Review, Readmission Reduction, Diagnostic Services, Physician Advisory, Professional Standards, and more.  

He earned a bachelor’s degree from University of Southern California and his medical degree from the University of California San Diego School of Medicine. He completed his residency and internship in Emergency Medicine from Harbor – UCLA Medical Center.  

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