
Dr. Gregory Kirk, M.D.
Dr. Gregory Kirk is a HIMS psychiatrist in Denver, Las Vegas, and Salt Lake City and is Board-Certified by the American Board of Neurology and Psychiatry in Adult Psychiatry and Addiction Psychiatry.
Dr. Kirk’s specialty in Aviation Psychiatry is in the assessment of complex medical certification cases. He opened his aviation practice in Denver in 2012. In 2020, Dr. Kirk opened his Las Vegas office and, in 2024, came to Salt Lake City. He is licensed in Colorado, Nevada, Arizona, and Utah and sees clients in Denver, Las Vegas, and Salt Lake City.

Away from aviation, Dr. Kirk evaluates and treats players in the National Basketball Association and the National Football League and is an expert in unanticipated deaths and injuries associated with drugs, alcohol, behavioral disorders, and mental illness.
Experience Matters
Dr. Kirk’s Cases
Dr. Kirk, a board-certified Adult Psychiatrist and Addiction Psychiatirst, has been a trusted HIMS evaluator since 2012. Dr. Kirk adheres to the FAA’s high standards of a forensic-quality report and an in-person evaluation in Colorado, Utah, and Nevada for every new case. Whether your case is straightforward or complex, Dr. Kirk knows how to give you, your AME, and the FAA everything needed for streamlined certification decisions.
Dr. Kirk’s Clients
Denver Appointments

Las Vegas Appointments

Dr. Kirk’s Las Vegas office is located in Town Square Las Vegas, across Las Vegas Boulevard from Harry Reid International Airport.
Salt Lake City Appointments
Dr. Kirk’s Salt Lake City Office is Downtown, 16 minutes from SLC Airport on the Green Line UTA Light Rail.

