Board-certified psychiatrist Thomas A. Hessling, MD practices from 4545 Park Blvd in University Heights, San Diego, along the north-south corridor that connects the 92116 neighborhood directly to Balboa Park. He graduated from Saint Louis University School of Medicine in 1977 and completed a transitional-year internship at the Medical University of South Carolina before finishing his psychiatry residency at UC San Diego Medical Center between 1978 and 1980. Medication management protocols from Dr. Hessling's practice require coordination with primary care physicians who monitor metabolic side effects, and the multi-location team at Perlman Clinic North Park processes the lab work and physical examinations that psychiatric prescribers need from a patient's medical team. Dr. Hessling is affiliated with UC San Diego Jacobs Medical Center and Sharp Mesa Vista Hospital, the two primary psychiatric inpatient facilities serving greater San Diego. He is a member of the San Diego Psychoanalytic Center, reflecting a psychodynamic orientation alongside his medication management work. His treatment scope covers psychotic disorders, bipolar disorder, ADHD in adults and adolescents, somatoform disorders, and depression — conditions he evaluates through psychiatric interview and standardized assessment instruments. The Park Blvd address places his office in the heart of University Heights, where the street runs straight south into Balboa Park's northern entrance, central to patients from Normal Heights on Adams Avenue, Hillcrest to the west, and North Park to the east. His office sits two blocks south of El Cajon Blvd, the east-west commercial corridor anchored by the Lafayette Hotel where University Heights's business district intersects Park Blvd. Patients managing psychiatric conditions alongside chronic stress often benefit from body-oriented relaxation modalities, and the therapeutic massage program at Zen Sanctuary on Adams Avenue supports nervous system regulation between psychiatric appointments through stillness-based bodywork. Dr. Hessling performs group psychotherapy, individual psychotherapy, and psychiatric evaluation with pharmacological management across the 92116 service area.