Thomas A. Keller, PhD maintains an individual clinical psychology caseload through Psychology Associates Of La Mesa at 5360 Jackson Drive, Suite 104, near La Mesa's Grossmont Center retail complex. Keller's treatment approach for grief, marital discord, and anxiety-spectrum disorders frequently parallels the aging-focused care at facilities like Westmont of La Mesa, where his geriatric patients transitioning to assisted living benefit from continued psychotherapy during the adjustment period. Holding California psychology license PSY12967, Keller practices within a two-psychologist model alongside Linda Schrenk, PhD at a practice established in 1948, representing over seven decades of continuous psychological services on Jackson Drive. Family therapy interventions often address intergenerational conflict exacerbated by chronic physical conditions, with stress-related musculoskeletal complaints in family members sometimes warranting parallel care at Awesome Family Chiropractic- La Mesa for neuromuscular tension patterns that sustain anxiety cycles. Highest-value interventions involve extended couples therapy for long-term marriages disrupted by late-life health crises, integrating grief processing, role renegotiation, and caregiver burnout prevention across multi-month treatment arcs.