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

Photo of Dr. Olaya Isabella Brewer Gutierrez, M.B.B.S.

Languages: English, Spanish


Barrett's Esophagus, Colon Polyps, Esophageal Cancer, Gastroenterology, Gastroesophageal Reflux Disease (GERD), Heartburn, Internal Medicine, Irritable Bowel Syndrome, Pancreatobiliary Diseases, Sphincter of Oddi, Stomach Ulcer more

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Johns Hopkins Bayview Medical Center

Appointment Phone: 410-933-7495
4940 Eastern Avenue
A Bldg 3rd floor
Baltimore, MD 21224 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



  • MBBS, Universidad Central De Venezuela (2001)


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


  • Universidad Central de Venezuela - Centro medico Docente La Trinidad (2009)
  • Johns Hopkins University School of Medicine / Gastroenterology and Hepatology (2019)

Board Certifications

  • Pending/Scheduled / Gastroenterology

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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