Dr. 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 and SSM DePaul Health Center.
Medical School: Saint Louis University School of Medicine; Graduated 1985
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*This physician has multiple office locations. See Office Information for details.