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Dr. Gary Koenig, MD


  • (314) 355-4010

Dr. Koenig's Overview

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.

Dr. Koenig's Experience

Years in Practice: 30

Dr. Koenig's Specialties


Dr. Koenig's Education & Training

Medical School: Saint Louis University School of Medicine; Graduated 1985

Dr. Koenig's Rating

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  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Koenig's Accepted Insurance

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • Anthem Blue Access PPO
  • Anthem Blue Preferred HMO
  • Anthem Blue Preferred Plus POS
  • Anthem Blue Preferred Select
  • Anthem Direct Access w/HSA MO
  • BCBS Blue Card PPO
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Dr. Koenig's Office Information & Appointments

Office Locations

*This physician has multiple office locations. See Office Information for details.

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