Gary P Korff, MD practices board-certified family medicine in Carlsbad at the Optum clinic on Jefferson Street, steps from the Carlsbad Village commercial district. A UC San Diego School of Medicine graduate who completed residency at Northridge Hospital Medical Center, he manages the full scope of family practice from adolescent wellness checks through geriatric chronic disease management, with musculoskeletal complaints coordinated through Phillips Chiropractic for spinal and joint evaluation. His Carlsbad Village-area office accepts Medicare, Medi-Cal, and Tricare alongside commercial insurance through the Optum-UnitedHealth Group network within the 92008 ZIP code. Women's health services including hormonal assessment and reproductive health screening complement the dedicated endocrine programs at Herway Health + Hormones along Carlsbad's El Camino Real medical corridor. Diagnostic capabilities within the Jefferson Street practice include on-site phlebotomy for metabolic panels, lipid profiles, and hemoglobin A1C monitoring alongside immunization administration and acute illness triage.