Dr. Sasan Massachi is a board-certified internist with nearly two decades of clinical experience serving the most discerning patients in Beverly Hills and across Los Angeles. A graduate of UCLA (undergraduate) and the UC San Diego School of Medicine, Dr. Massachi completed his internship and residency at Cedars-Sinai Medical Center before joining Century City Primary Care and ultimately opening his own state-of-the-art practice. Located at 8900 Wilshire Blvd, Suite 360, Beverly Hills, CA 90211, his concierge practice serves a carefully limited panel of several hundred patients — a fraction of the thousands seen in standard internal medicine practices — ensuring each patient receives exceptional access, attention, and care. Currently rated 4.99 out of 5 stars from over 150 patient reviews, Dr. Massachi's practice is among Beverly Hills's most trusted for primary and preventive care.

About the Physician

Dr. Massachi is board-certified by the American Board of Internal Medicine and remains affiliated with Cedars-Sinai Medical Center, where he performs a variety of procedures and oversees inpatient care as needed. His approach extends absolute courtesy, empathy, discretion, and respect to each patient — qualities that have earned a loyal following among residents of Beverly Hills, Bel Air, West Hollywood, Santa Monica, Brentwood, Pacific Palisades, and Malibu. Preventive care is central to his practice: Dr. Massachi specializes in identifying individual risk factors and developing personalized strategies to prevent future health conditions using the latest diagnostic technologies. He now offers telehealth consultations in addition to in-office care. Office hours are Monday through Friday, 8 am to 4 pm.

Services Offered

• Executive Physicals — comprehensive, time-efficient executive health evaluations with a full battery of in-office diagnostics completed in a single visit.
• Annual Physicals & Preventive Medicine — thorough wellness exams with evidence-based risk identification and individualized prevention strategies.
• Concierge Medicine — a select, limited-panel concierge practice with direct physician access, reduced wait times, and personalized attention.
• In-House Laboratory — on-site laboratory services providing expedited test results without referral to external facilities.
• Advanced Diagnostics — digital x-rays, bone density scans, ultrasounds, and EKG stress testing available in-office for comprehensive health evaluation.
• Telehealth Visits — secure, convenient telemedicine consultations for established patients across Southern California.
• Men's & Women's Health — comprehensive gender-specific preventive care including hormonal assessments, wellness screenings, and targeted health management.
• Chronic Disease Management — expert management of hypertension, diabetes, high cholesterol, gout, and other chronic conditions using current evidence-based protocols.
• Vaccinations & Travel Medicine — comprehensive immunization services including travel vaccines and preventive immunizations for adult patients.

What to Expect

Patients at Dr. Massachi's practice receive unhurried, personalized care from a physician known for attentiveness, thoroughness, and exceptional bedside manner. The practice serves Beverly Hills, Bel Air, West Hollywood, Santa Monica, Brentwood, Pacific Palisades, Malibu, and surrounding Los Angeles communities. Located at 8900 Wilshire Blvd, Suite 360, Beverly Hills, CA 90211. Call (310) 553-3013 or visit sasanmassachi.com. Open Monday–Friday, 8 am to 4 pm.