Avanti is a performance-focused medical practice in San Francisco that integrates sports medicine, physical medicine and rehabilitation, pain management, and regenerative care to support recovery, function, and longevity. Led by Sonia Bell, a Stanford-trained sports medicine and PM&R physician with more than 25 years of experience, the practice focuses on musculoskeletal injuries affecting athletes, performing artists, and active professionals. Its services include sports medicine, pain management, regenerative and stem cell medicine, dance medicine, and concert tour medical coverage, with an approach centered on precise care, durable recovery, and a thoughtful return to activity.