Dr. Ketcham serves as an emergency physician and addiction specialist (inpatient and outpatient) for the Presbyterian Health System in Santa Fe and Espanola, New Mexico. He is the Medical Director of an Opioid Addiction Treatment Clinic (OTP) in Farmington, New Mexico. He is board certified in addiction medicine (ABPM) and regularly works with methadone, buprenorphine, and naltrexone. He has been called to testify before the U.S. Congress, House Judiciary Committee (2016) and spoke at two U.S. Congressional Briefings (2019) regarding the opioid epidemic.