Southeast Gastroenterology – A Department of McAlester Regional Health Center

Phone: 918.421.4650  Fax: 918.421.6875


Monday – Friday:  8:00 am – 4:30 pm

At Southeast Gastroenterology experience the highest quality treatment by our compassionate, knowledgeable physician; A Physician dedicated to the complete digestive health of you and your loved ones.

At Southeast Gastroenterology we bring years of experience and training to provide fast, accurate, and comprehensive diagnosis and treatment. We want you to be an active participant and partner in your healthcare. Numerous studies show educated patients maintain better health, experience fewer complications, and spend less time in hospitals and doctors’ offices.

  • Gastrointestinal Conditions and Diseases
  • Acid Reflux
  • Bacterial Overgrowth
  • Barrett’s Esophagus
  • Celiac Disease
  • Constipation
  • Diarrhea
  • Cirrhosis
  • Crohn’s Disease
  • Diverticular Disease
  • Dysphagia
  • Gastroparesis
  • GERD
  • Hemorrhoids
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Lactose Intolerance
  • Nausea & Vomiting
  • Ulcerative Colitis


Dr. Sarah Oberste, D.O.



4 Clark Bass Blvd Suite 302


For more information about gastroenterology services, visit our Southeast Clinic page.