Dr. John Barker Jr MD

  • Internal Medicine
  • Gastroenterology

Patient Experience

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Locations & Directions

Mapbox Map of Dr. John Barker Jr

1001 E 21st St
Sioux Falls, SD 57105
Mapbox Map of Dr. John Barker Jr

3816 S Elmwood Ave
Sioux Falls, SD 57105

Specialties & Expertise

Specialties

  • Internal Medicine
  • Gastroenterology

Expertise

  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Background

Languages Spoken

  • English