Dr. Gary D. Koenig has been practicing medicine for 29 years. Dr. Koenig graduated from the Saint Louis University School of Medicine in 1985. He practices medicine in Hazelwood, MO and 1 other location and specializes in Gastroenterology and Internal Medicine. Dr. Koenig is affiliated with SSM Depaul Health Center, Christian Hospital, SSM Saint Clare Health Center and SSM Saint Marys Health Center.
Years in Practice: 29 Years
Languages Spoken: English
Medical School: Saint Louis University School of Medicine
Graduation Date: 1985
Specialties: Gastroenterology, Internal Medicine
*This physician has multiple office locations. See Appointments for details.