Founded in 1948, Psychology Associates Of La Mesa is one of the longest-operating clinical psychology practices in the East County, with offices at 5360 Jackson Drive near Grossmont Center. The practice's treatment of depression, anxiety, bipolar disorder, and ADHD across children, adolescents, and adults often involves coordination with family medicine providers like Encompass Family and Internal Medicine Group for patients whose psychiatric symptoms present alongside medical conditions requiring concurrent management. Psychologists Linda Schrenk, PhD and Thomas Keller, PhD hold California licenses PSY12152 and PSY12967 respectively, combining their expertise in individual, couples, family, and group therapy under one practice. Schrenk's focus on children and family dynamics and Keller's work across a broad diagnostic spectrum reflect a generalist depth rare in modern specialty-driven behavioral health, with somatic symptom management extending to bodywork referrals at Bodywork 4 Health for patients whose chronic muscle tension compounds mood and anxiety disorders. Most complex evaluations involve multi-session psychological assessment batteries differentiating overlapping presentations of bipolar II disorder, ADHD-inattentive type, and complex grief to establish targeted treatment protocols across the family system.