Logo image
Dr. Douglas A. Horst

Dr. Douglas A. Horst


Areas of Care:

  • Gastroenterology

Dr. Horst is a Clinical Instructor of Medicine at Harvard Medical School.

Dr. Horst is a graduate of the University of California at San Francisco School of Medicine. He completed an internship and residency in internal medicine at Beth Israel Deaconess Medical Center, and a fellowship in gastroenterology at Faulkner Hospital, Lemuel Shattuck Hospital and St. Elizabeth’s Medical Center.

He is board certified in internal medicine and gastroenterology by the American Board of Internal Medicine.

His clinical interests include:

  • General Gastroenterology
  • Inflammatory Bowel Disease
  • Esophageal Disorders
  • Colonic Neoplasms
  • Colonoscopy and Gastroscopy



To Schedule Your Procedure with Dr. Horst, Please Fill Out the Form Below or Call (617) 754-8888.

Request An Appointment