January 26, 2026 at 12:00 PM UTCHealth care technology startup Tandem Technology Inc., which aims to smooth the process of writing and receiving medical prescriptions using artificial intelligence, has reached a valuation of $1 billion, according to people familiar with the matter.The company is raising $100 million in the deal, which is being led by venture capital firm Accel, said the people, who asked not to be identified because the information is private....