1Life Healthcare, Inc. operates a membership-based primary care platform under the One Medical brand. The company has developed a healthcare membership model based on direct consumer enrollment, as well as employer sponsorship. Its membership model includes seamless access to digital health services paired with inviting in-office care routinely covered under health insurance programs. The company also offers administrative and managerial services pursuant to contracts with physician-owned professional corporations or One Medical Entities. As of December 31, 2020, it had approximately 549,000 members in 13 markets in the United States; and 8,000 enterprise clients. The company was incorporated in 2002 and is headquartered in San Francisco, California.