Meet Our Doctors
Our board-certified pediatricians bring decades of combined experience and a genuine passion for children's health.
Louis P. Theriot, MD, FAAP
Pediatrician
Dr. Theriot is a board-certified pediatrician and partner at Pediatric Medical Center with over 40 years of experience. He serves as an Associate Clinical Professor of Pediatrics at both the Keck School of Medicine of USC and the UCI School of Medicine, where he teaches and mentors medical students and pediatric residents. He values "old-school" pediatrics—building lasting relationships with families and caring for children from newbornhood through adulthood.
Areas of Interest
Education & Training
- Medical School: Keck School of Medicine, USC
- Residency: Pediatrics, Children's Hospital Los Angeles
Fun Fact
For over 30 years, Dr. Theriot has served as the volunteer team doctor for St. John Bosco High School Football, supporting student-athletes both on and off the field.
Lori Livingston, MD, FAAP
Pediatrician
Dr. Livingston is a board-certified pediatrician at Pediatric Medical Center, as well as an Assistant Clinical Professor of Pediatrics at the UCI School of Medicine. She enjoys partnering with families through every stage of childhood and finds deep meaning in preventive care, guidance on nutrition and sleep, and supporting children with behavioral and emotional challenges. As a parent herself, she understands firsthand the joys and stresses of raising children and strives to help families feel confident, supported, and informed.
Areas of Interest
Education & Training
- Undergraduate: UCSD
- Medical School: UCLA
- Residency: Pediatrics, UC Irvine
Fun Fact
Dr. Livingston loves ballet and dance, baking Italian family recipes, hiking and camping, and admits to a weakness for dark chocolate.
Brinda Singh, MD, FAAP
Pediatrician
Dr. Singh is a board-certified pediatrician and Assistant Clinical Professor of Pediatrics at the UCI School of Medicine. She brings a broad clinical background that includes years as a pediatric hospitalist caring for acutely ill children before returning to outpatient pediatrics. Dr. Singh values compassionate, thoughtful care and enjoys watching her patients grow and forming close bonds with their families.
Areas of Interest
Education & Training
- Undergraduate: Brown University (English Literature)
- Medical School: University of Oklahoma
- Residency: Pediatrics, UC Irvine
Fun Fact
Dr. Singh is a certified lactation consultant. In her free time she enjoys reading mysteries, taking her dogs to the beach, and spending time with her husband and their 2 sons.
Erica Veeh, MD, FAAP
Pediatrician
Dr. Veeh is a Southern California native who returned to the area after completing her pediatric training to care for local families. She has worked extensively as a pediatric hospitalist before transitioning back to outpatient pediatrics, bringing valuable experience caring for both routine and complex conditions. She also enjoys teaching and supervising pediatric residents and medical students and is committed to thoughtful, evidence-based, family-centered care.
Areas of Interest
Education & Training
- Undergraduate: UC Santa Barbara (Biochemistry & Molecular Biology)
- Medical School: St. Louis University School of Medicine
- Residency: Pediatrics, UC Irvine
Fun Fact
Dr. Veeh taught high-school chemistry before medical school and now lives in Long Beach with her husband and three boys.
Michael L. Goodin, MD, FAAP
Pediatrician
In Memoriam: Dr. Michael Goodin passed away peacefully on July 22 after a long illness, surrounded by his loving family. His compassion, faith, loyalty, and quiet wit touched countless lives. Though deeply missed, his spirit and example live on at Pediatric Medical Center. Dr. Goodin dedicated his life to caring for children and supporting families with compassion, humility, and deep commitment. Born in a small town in Nebraska, he pursued medicine at Creighton University before completing his pediatric training at Children’s Hospital of Los Angeles, where he also served as Chief Resident. Dr. Goodin joined Pediatric Medical Center in 1971 and remained a beloved physician and mentor for decades, teaching pediatric residents and modeling kindness, patience, and attentive listening in every patient encounter.
Areas of Interest
Education & Training
- Medical School: Creighton University School of Medicine
- Internship: LAC–USC Medical Center
- Residency: Pediatrics, Children’s Hospital Los Angeles
Fun Fact
Before medical school, Dr. Goodin served in the U.S. Air Force, where he met his wife Jeanne. Married for 63 years, they raised three daughters and shared nine grandchildren who adored their “Pappa.”
John H. Samson, MD
Pediatrician
Dr. John Samson devoted more than six decades to the care of children, adolescents, and young adults, while shaping generations of physicians through teaching and mentorship. After graduating from Creighton Medical School, he completed pediatric residency training before serving as Chief of Pediatrics during his time in the United States Air Force. Dr. Samson later held faculty appointments at the USC School of Medicine and the UCI School of Medicine, while caring for patients at Pediatric Medical Center beginning in 1970. He viewed pediatrics as far more than medicine: believing pediatricians are counselors, mentors, advocates, and lifelong supporters of their patients.
Areas of Interest
Education & Training
- Medical School: Creighton Medical School
- Residency: Pediatrics, Children's Hospital Los Angeles
Fun Fact
Dr. Samson often referred to his patients as “God’s angels” and spent decades teaching young physicians not just how to practice pediatrics, but how to be complete pediatric practitioners.