Dhanvantari is to be the Hindu God of Medicine or Ayurveda.
He is also a manifestation of Hindu God Vishnu. Below is the Dhanvantari Stotram
lyrics in Tamil in pdf. Chanting the prayer is considered highly meritorious.
It is chanted especially during the morning hours.
Link – Dhanvantari Stotram in Tamil
The file is provided by Sundar Kidambi of Prapatti . com