Dr. Kirk is a HIMS psychiatrist in Denver and Las Vegas, and is Board-Certified by the American Board of Neurology and Psychiatry in Adult Psychiatry and Addiction Psychiatry. Dr. Kirk’s speciality in Aviation Psychiatry is in the assessment of complex medical certification cases. Dr. Kirk is also a certified Substance Abuse Professional (SAP) to evaluate pilots who have positive DOT pre-employment, random, post-accident, or reasonable-cause drug tests. Away from aviation, Dr. Kirk is a referral clinician for the NBA, a treating clinician in the NFL Program for Substances of Abuse, a 5280 Magazine “Top Doc” in Addiction Psychiatry, and is a recognized expert in suicide and unintentional death from substance abuse, mental illness, and behavioral disorders. Dr. Kirk also teaches on substance abuse and emergency psychiatry in community, professional, and academic settings.