He feels marijuana is a safer alternative, especially considering how many people are becoming addicted to opioids.
New York State recently added "chronic" pain to the list of qualifying conditions for medical marijuana.
But "acute" pain is not covered. For instance -- temporary relief needed after a surgery or broken bone.
Not everyone believes marijuana could help in the opioid and heroin epidemic.
Attorney General Jeff Sessions, the country's top law enforcement officer, recently argued marijuana even in the medical form isn't "part" of the answer.
The Associated Press contributed to this report.