Our Providers | Lisa L. Billings, Ph.D.

Lisa L. Billings, Ph.D.

Licensed Clinical Psychologist

With more than two decades of expertise in the field, Dr. Lisa Billings works with a wide array of populations and practices a variety of types of therapy. She believes that while our personal history helps us to understand why we behave the way we do, we should not feel trapped by our history.

Drawing from evidence based-therapies such as ACT, CBT, Attachment Theory, Internal Family Systems, and Insight-oriented schools of psychotherapy, she supports patients in breaking free of the past. She tailors her treatment plans to meet the needs and goals of each individual.

Dr. Billings especially enjoys working with those in transition to adulthood and with patients struggling with other important life transitions. She also has experience in relationship counseling and treating mood and anxiety disorders (including OCD). Dr. Billings has specialized expertise and training in Ketamine-Assisted Psychotherapy (KAP) and in partnership with a prescriber, offers both intramuscular and sublingual Ketamine.

Dr. Billings holds dual licensure as a Clinical Psychologist in both California and Colorado.

Education & Experience

Dr. Billings received both a Doctoral and a Master's degree in Clinical Psychology from the University of Virgina and her undergraduate degree from Dartmouth College with "Highest Honors." Her doctoral research focused on how traumatic childhood experiences affect individuals' developmental trajectories and identified factors to mitigate those effects. Her research also focused on the impact of parental divorce and family violence.

While completing her clinical internship at Children's Hospital in Colorado, she fell in love with the beauty of the state and its people. She remained in Colorado where she built a thriving private practice and raised four children. With two of her children - now adults - living in California, Dr. Billings recently re-located to Orange County. We're proud to welcome her to Orange County Health Psychologists, Inc.