More than two million people across the United States will receive notice that their personal and sensitive health information was stolen earlier this year during a cyberattack at Postmeds, the parent company of online pharmacy startup Truepill. For some of those affected, it’s the first they’re hearing of Postmeds, let alone that the company lost their sensitive personal and health information during the data breach. News of the data breach also appeared to catch off-guard healthcare startups that previously relied on Postmeds to fulfill their customers’ prescriptions. Postmeds, or Truepill, is an online pharmacy fulfillment startup that fills prescriptions for big-name telehealth services and other pharmacies, and mails medications to their customers. Postmeds, through Truepill, has fulfilled prescriptions for customers of Folx, Hims, and GoodRx, and other popular online telehealth startups that have emerged in recent years. Even if you’ve never heard of Postmeds, the company may have filled one of your prescriptions and handled your information. Truepill’s website says it has delivered 20 million prescriptions to three million people since its founding in 2016. …