Skip Navigation

COVID-19: We are vaccinating patients ages 12+. Learn more:

Vaccines, Boosters & 3rd Doses | Testing | Patient Care | Visitor Guidelines | Coronavirus | Self-Checker | Email Alerts


Philips Respironics issued a recall for some CPAP and BiLevel PAP devices and mechanical ventilators. Learn more.

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

Headshot of Olaya Isabella Brewer Gutierrez

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, Transoral Incisionless Fundoplications (TIF) more

Request an Appointment

Insurance Information

Main Phone


Outside of Maryland

Request Appointment

International Patients

Request Appointment


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

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)

Videos & Media

Recent News Articles and Media Coverage

Podcast: Gastroesophageal Reflux Disease, A Woman's Journey: Insights that Matter 

Is this you? Edit Profile
back to top button