Mary L. Trevino, PhD

Health Service Psychologist

A psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

Cognitive & Behavioral Psychologist

Dr. Mary L. Trevino is a Cognitive & Behavioral Psychologist in Seguin, TX with special training and skill in researching and treating disorders of human cognition. As a Cognitive & Behavioral Psychologist, Mary L. Trevino, PhD performs therapy and research focused on treating by helping patients adjust their feelings and actions. Cognitive & Behavioral Psychology is a medical specialty centered on understanding human thought and behavior as it relates to mental health. Significant diseases and conditions treated by Cognitive & Behavioral Psychologists include depression, anxiety, phobias, substance abuse, obsessive-compulsive disorder (OCD), panic disorders, and sleeping disorders. Medical tests, procedures and therapies provided by Cognitive & Behavioral Psychologists include mental health assessment, cognitive behavioral therapy (CBT), cognitive awareness activities, mindfulness activities, breathing exercises, and referral to other specialists as needed.

A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.