Brian Diep, MD delivers family medicine in Alpine through the Southern Indian Health Council at 4058 Willows Road, an AAAHC-accredited tribal health program serving both Native American and non-Native patients since 1985. Dr. Diep earned his Doctor of Medicine degree from Saba University School of Medicine in 2001 and holds Sharp HealthCare affiliation, and the SIHC campus shares the Willows Road corridor with after-hours referral options at Alpine Urgent Care on Alpine Boulevard. The council operates a fully integrated clinic model offering medical, dental, pharmacy, behavioral health, and Kumeyaay Family Services under one facility, with substance-use treatment programs including cognitive behavioral therapy and EMDR. Wellness and preventive-care referrals extend to Willows Road fitness providers including Alpine Ranch CrossFit at the 5001 Willows Road complex for exercise-prescription fulfillment. SIHC accepts IHS/Tribal/Urban funds, Medicare, Medicaid, TRICARE, and private health insurance, and the Alpine clinic maintains satellite locations in Campo and Boulevard for patients across rural East County San Diego.