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Physician Leadership

Martin Serota, MD
Vice President and
Chief Medical Officer

Ricardo Puertas, MD
Medical Director of
Quality and Safety

Esiquio Casillas, MD
Regional Medical Director
for Senior Services

Rosa Arzu, DDS
Medical Director, Dental

Felix Carpio, MD, MPH
Medical Director of
Clinical Informatics

Albert Chang, MD
Regional Medical Director
of Orange County

Desmond Lew, MD
Medical Director of
Utilization Management		 Cristian Rico, MD
Regional Medical Director
of Los Angeles County