Digital technologies are profoundly altering the way industries deliver services to consumers. Ride-sharing companies have upended traditional taxis, online shopping has displaced many brick-and-mortar stores, and smartphones enable people to manage their own digital transactions effortlessly. Customers have rapid access to services, convenient payment options, and a previously unimaginable range of service choices. The same cannot be said of health care. Choosing doctors, requesting appointments, and obtaining medical advice often requires multiple phone calls and in-person visits.