1Life Healthcare operates a membership-based primary care platform. Co. develops a healthcare membership model based on direct consumer enrollment, as well as employer sponsorship. Co. also provides medical services in-office and virtually. As of September 30, 2019, Co. had approximately 397,000 members in 9 markets in the United States; 6,000 enterprise clients; and health network partnerships. Co. serves consumers, employers, providers, and health networks under the One Medical brand name.