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William L. Case, M.D.

Gastroenterology PhysicianSpecialty: Digestive Health
Or call to make an appointment+1(251) 660-3510

About William L. Case, M.D.

William Case, M.D., is a gastroenterologist with USA Health. Dr. Case is board-certified in internal medicine and provides personalized care for conditions that affect the digestive tract, including Barrett's esophagus, celiac disease, constipation, Crohn's disease,diverticulitis, gallstones, GI cancers, hemorrhoids, irritable bowel syndrome (IBS), reflux (GERD) and ulcerative colitis. Dr. Case is a fellowship-trained gastroenterologist with more than 30 years of experience. Trained in both internal medicine and digestive health, Dr. Case uses a holisticapproach, identifying opportunities for diet improvements, changing lifestyle habits and managing medication side effects. He is a member of the American College of Gastroenterology and the Medical Society of Mobile County.

Conditions Treated

  • Acid Reflux
  • Barrett's Esophagus
  • Celiac
  • Constipation
  • Crohn’s Disease
  • Diverticulitis
  • Gallbladder Stones
  • Gastric Cancer
  • Gastroesophageal Reflux Disease (GERD)
  • Hemorrhoids
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Board Certifications

  • American Board of Internal Medicine - Gastroenterology
  • American Board of Internal Medicine - Internal Medicine


  • Medical School: Louisiana State University | New Orleans, LA
  • Residency: Ochsner Foundation Hospital | New Orleans, LA


  • English
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