Sona Patel is a Doctor of Medicine (M.D.), also known as "DOC420." Patel has been a licensed and board-certified physician in California since 2004.
In 2005, she started DOC420, a pioneering practice that recommends medical cannabis (or medical marijuana) as an alternative to pharmaceutical drugs.
She is a licensed and board-certified physician in the state of California who recommends medical marijuana under California Proposition 215 (1996) (or the Compassionate Use Act).