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Olaya Isabella Brewer Gutierrez, M.B.B.S.

Olaya Isabella Brewer Gutierrez, M.B.B.S.

Headshot of Olaya Isabella Brewer Gutierrez
  • Assistant Professor of Medicine

Languages: English, Spanish


Abdominal Pain, Anemias, Barrett's Esophagus, Bile Duct Disease, Bloating, Blood in Stool (Hematochezia), Burping Belching, Chest Pain, Cholangiocarcinoma, Colon Polyps, Constipation, Diarrhea, Dysphagia, Endoscopic Ultrasound, Esophageal Cancer, Fecal Incontinence, Gastroenterology, Gastroesophageal Reflux Disease (GERD), Gastrointestinal Bleeding, Heartburn, Hemorrhoids, Hiatal Hernia, Hiccups, Hoarseness, Indigestion, Internal Medicine, Intestinal Metaplasia, Iron Deficiency, Irritable Bowel Syndrome, Pancreatobiliary Diseases, Primary Biliary Cholangitis, Rectal Problem, Reflux and Burning, Sclerosing Cholangitis, Stomach Ulcer, Swallowing Disorders, Therapeutic Endoscopy, Transoral Incisionless Fundoplications (TIF) more

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Sibley Medical Building

Appointment Phone: 202-660-5555
5215 Loughboro Road NW
Suite 300
Washington, DC 20016 map


Dr. Olaya Brewer Gutierrez is a clinical associate at the Johns Hopkins University School of Medicine and an attending gastroenterologist at The Johns Hopkins Bayview Medical Center. She received her medical degree from the Central University of Venezuela in Caracas in 2001 and completed an internal medicine residency followed by a gastroenterology fellowship at the Central University of Venezuela in Caracas, Venezuela. She then completed one year of endoscopic ultrasound training in Venezuela. She worked as an attending gastroenterologist at the Centro Medico Docente La Trinidad in Caracas for seven years.

In 2016, Dr. Brewer Gutierrez completed a two-year advanced fellowship in endoscopic ultrasound and ERCP, followed by an additional year of motility training at Johns Hopkins. She is certified in general internal medicine and gastroenterology by the Medical College of the Federal District of Venezuela and is part of the Venezuelan Societies of Internal Medicine and Gastroenterology, where she also served in leadership roles over several years.

Dr. Brewer Gutierrez's major areas of interests are the workup and management of patients with GERD, Barrett’s esophagus, antireflux procedures such as transoral incisionless fundoplication (TIF), pancreatobiliary diseases, endoscopic mucosal resection (EMR), endoscopic ultrasound (EUS) and ERCP. more


  • Assistant Professor of Medicine

Departments / Divisions



  • MBBS; Universidad Central De Venezuela (2001)


  • Internal Medicine; Universidad Central De Venezuela -Hospital Miguel Perez Carreno (2005)
  • Gastroenterology; Universidad Central De Venezuela -Hospital Oncologico Padre Machado (2007)


  • Johns Hopkins University School of Medicine (2018)
  • Gastrointestinal Motility and Neurogastroenterology; Johns Hopkins University School of Medicine (2019)
  • Universidad Central de Venezuela - Centro medico Docente La Trinidad (2009)

Board Certifications

  • Pending/Scheduled (Adolescent Medicine)
  • Pending/Scheduled (Gastroenterology)
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