Dr. Gary Koenig graduated from the Saint Louis University School of Medicine in 1985. He works in Hazelwood, MO and 1 other location and specializes in Gastroenterology. Dr. Koenig is affiliated with Christian Hospital, SSM Depaul Health Center and SSM Saint Marys Health Center.
Years in Practice: 30 Years
Languages Spoken: English
Medical School: Saint Louis University School of Medicine
Graduation Date: 1985
*This physician has multiple office locations. See Appointments for details.