Considering how hyper-connected many aspects of life in the U.S. are, it’s surprising that health-care providers can have massive blind spots when it comes to their patients’ visits to other practices. This not only causes inefficiencies; it can risk patient health.

Jay Desai WG11 founded PatientPing to better integrate communities of care by sharing “pings” and “stories” with health-care systems to let providers know where patients are and where they’ve been. Named by Business Insider as a startup set to boom in 2020, PatientPing has already raised more than $100 million in funding, including from Google Ventures.

Read more from the Watchlist.