Endoscopy

Dr. Chang is a board-certified, Stanford fellowship-trained otolaryngologist providing care at Stanford Health Cares Sinus Center. He is also an assistant professor in the Department of Otolaryngology Head & Neck Surgery at Stanford University School of Medicine. He specializes in the diagnosis and surgical treatment of nasal, sinus, and skull base disorders. Dr. Chang is also interested in the use of online digital media for ear, nose, and throat (ENT)-related educational content. He is the rhinology host for Headmirrors ENT in a Nutshell podcast and served as education consulting for the rhinology section of DosedDaily.

Dr. Raina is a board-certified cardiologist in the General Cardiology clinic at Stanford Health Care and a member of the Stanford Cardiovascular Institute. He is also a clinical associate professor in the Division of Cardiovascular Medicine. His clinical interests include preventive cardiology, cardiac rehabilitation, and sports cardiology. In his recent positions at West Virginia University, he established the cardiology telemedicine program during and after the COVID pandemic. He applied his passion for cardiac rehab by creating individualized treatment plans for college athletes recovering from COVID. Dr. Raina is also passionate about building relationships with community doctors.