Doctronic, an AI-native healthcare platform legally authorized to practice medicine in the United States, has announced a $40 million Series B funding round co-led by Abstract and Lightspeed Venture Partners, with participation from Union Square Ventures, Seven Stars, Mantis, and Tusk Ventures. The new financing brings total funding to more than $65 million, marking the company’s third round in less than 12 months and reinforcing investor confidence in its rapidly scaling model.