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  • Gastroenterology, Internal Medicine
  • 36 years of experience
  • Mercy Hospital Jefferson 1400 Us Highway 61, Festus, MO 63028

Brief Intro

Dr. Mcmahon graduated from the Washington University In St Louis School of Medicine in 1989. He works in Festus, MO and 1 other location and specializes in Gastroenterology and Internal Medicine. Dr. Mcmahon is affiliated with Saint Lukes Des Peres Hospital.

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Education Background

RESIDENCY

Barnes Jewish Hospital

MEDICAL SCHOOL

Washington University In St Louis School Of Medicine - 1989

Languages Spoken

  • English

Location & Hours

  • Scott Radiological Group Inc
  • 1400 Us Highway 61, Festus, MO 63028

Specialties Treated

  • Gastroenterology
  • Internal Medicine

Conditions Addressed

  • Inflammatory Bowel Disease (IBD)
  • Irritable Bowel Syndrome (IBS)

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • UnitedHealthcare
  • Cancer 20
  • Cardiology, Heart & Vascular Surgery 20
  • Orthopedics 39
  • Neurology & Neurosurgery 26
  • Gastroenterology & GI Surgery 37
  • Pulmonology & Lung Surgery 39
  • Diabetes & Endocrinology 12
  • Children's Hospital 10
  • Urology 30
  • Psychiatry 38
  • Geriatrics 39
  • Rehabilitation 29
  • Obsterics & Gynecology 6
  • Ophthalmology 1
  • Ear, Nose & Throat 3
  • Rheumatology 1
  • Long Term Care 7
  • Maternity Care (Uncomplicated Pregnancy) 23