Our Providers
Southern Orange County Pediatric Associates provide care to infants, children, adolescents, and young adults up to age 18.
Our Doctors
Our staff is dedicated to providing the best possible healthcare for our young patients. Each of our physicians are board-certified and provide personalized care in a warm and friendly environment. Every one of our pediatricians and pediatric nurses has received extensive education, training, and experience in caring for children from infancy to teenage years and pre-adult.
Paulina Avendano
MD, FAAP
Dr. Avendano has been with SOCPA since 2007.
Location
Eric Ball
MD, FAAP
Dr. Ball has been with SOCPA since 2006.
Location
Regina Brown
MD, FAAP
Dr. Brown has been with SOCPA since 1989.
Location
Terence Chu
MD, FAAP
Dr. Chu has been with SOCPA since 2001.
Location
Cynthia Dimalanta
MD, FAAP
Dr. Dimalanta has been with SOCPA since 2014.
Location
Lauren Dwinell
MD, FAAP
Dr. Dwinell has been with SOCPA since 2003.
Location
Gregory Kennedy
MD
Dr. Kennedy has been with SOCPA since 2019.
Locations
Kenson Lo
MD, MPH, FAAP
Dr. Lo has been with SOCPA since 2013.
Location
John Mersch, III
MD, FAAP
Dr. Mersch has been with SOCPA since 1982.
Location
Stephen Tang
MD, FAAP
Dr. Tang has been with SOCPA since 2001.
Location
Margaret van Blerk
MD, MPH, FAAP
Dr. van Blerk has been with SOCPA since 2008.
Locations
Jenna Timboe
MD
Dr. Timboe has been with SOCPA since 2017.
Location
Katherine Williamson
MD, FAAP
Dr. Williamson has been with SOCPA since 2012.
Location
Rosette Yson-Zaragoza
MD, FAAP
Dr. Yson-Zaragoza has been with SOCPA since 2005.
Location
Our Nurse Practitioners
Pediatric Nurse Practitioners provide well exams as well as diagnose and treat a wide array of common illnesses in all locations. Here is our skilled team of PNPs along with their personal areas of expertise.
Judi Leonard
MSN, CPNP
Obesity Specialist
Judi Leonard has been with SOCPA since 2008.
Location
Anneke Sager
MSN, CPNP
Asthma Specialist
Anneke Sager has been with SOCPA since 1999.
Locations
Lisa Walpert
MSN, FNP
ADD/ADHD Specialist
Lisa Walpert has been with SOCPA since 1999.
