Teladoc Health, Inc. is an American telemedicine and virtual healthcare company founded in 2002. Headquartered in New York City, its services include telehealth, employer-sponsored health plans, 24/7 care, mental health, diabetes and hypertension management, primary care, prescriptions, medical opinions, AI and analytics, telehealth devices and licensable platform services. The company uses telephone and videoconferencing software and mobile apps to provide on-demand remote medical care. Teladoc Health is active in over 175 countries, and is traded on the New York Stock Exchange. It is the first and largest telemedicine company in the United States, and has acquired numerous other companies including BetterHelp in 2015, Best Doctors in 2017, and Catapult Health in 2025. Wikipedia