An avatar of the Hindu God Vishnu. Dhanvantari appears in the Vedas as the physician of the gods, and is the god of Ayurvedic medicine. Dhanvantari is an Avatar of Vishnu from the Hindu tradition. He appears in the Vedas and Puranas as the physician of the gods (devas), and the god of Ayurvedic medicine. It is common practice in Hinduism for worshipers to pray to Dhanvantari seeking his blessings for sound health for themselves and/or others, especially on Dhanteras.