Banfield Pet Hospital in Santee operates inside the PetSmart at 9896 Mission Gorge Road, part of the Mars Inc. veterinary network that has maintained more than 1,000 hospitals nationwide since the brand's 1955 founding in Portland, Oregon. Optimum Wellness Plans bundle annual exams, core vaccinations, and diagnostic bloodwork into a subscription structure, and behavioral concerns flagged during wellness visits are referred to the adjacent PetSmart Dog Training program for structured follow-up. The Santee location provides routine spay and neuter procedures, dental prophylaxis with full-mouth radiographs, and same-day lab panels processed through in-house analyzers. Clients whose pets require extended home recovery coordinate aftercare schedules through services like Peace of Mind Pet Care, which administers post-surgical oral medications during in-home visits within a five-mile radius. Digital radiography and comprehensive urinalysis panels support differential diagnosis for renal, hepatic, and endocrine conditions in senior dogs and cats over seven years of age.