Andrew Diamond

Chief Medical Officer at One Medical

Andrew, a practicing primary care physician, joined One Medical in the company's infancy in 2007. Over the course of his tenure at One Medical, he has been a driving force in developing the practice’s philosophy and approach to care, designing our clinical systems, and maintaining our human-centered culture. Andrew has served as the company’s national medical director since 2016, ensuring our clinicians have joyful and fulfilling careers and deliver the highest-quality care and service to our members. Andrew holds a BS in biological sciences from Stanford University, and an MD as well as a PhD in Microbiology and Immunology from the University of Colorado. He completed his medical training at Stanford and is certified with the American Board of Internal Medicine.



  • Chief Medical Officer

    January, 2020 - present