With more than 2,000 clinicians certified in more than 80 medical specialties and subspecialties, UT Physicians provides multispecialty care for the entire family.
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Oscar Olavarria, MD, MS, is a board-certified general surgeon with additional fellowship training in minimally invasive surgery. He specializes in bariatrics/weight loss surgery, reflux/heartburn, ulcer disease, hiatal hernias, achalasia, and abdominal wall reconstruction for hernia repair. When appropriate, Olavarria also utilizes endoscopic (incisionless), laparoscopic, and robotic techniques for the care of the entire spectrum of abdominal surgical issues, including disorders of the gallbladder and appendix, small and large bowel obstruction, perforated ulcers, diverticulitis, gastrointestinal tumors and solid organs (spleen, adrenal glands, and pancreas). Additionally, he performs upper endoscopies and colonoscopies.
Olavarria is committed to enhancing patients’ quality of life by guiding them through every step of their surgical journey. His approach focuses on ensuring an experience where patients feel supported physically and mentally, aiming for the best possible recovery and best possible outcomes.
Olavarria is an assistant professor of surgery at McGovern Medical School at UTHealth Houston. He has conducted extensive research and has over 50 peer-reviewed publications, book chapters, and over 40 national/international presentations.
He is an active member of the American Society for Metabolic and Bariatric Surgery (ASMBS) and the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES).
Awards and Recognitions
2008 – Anatomy High Academic Performance Award. Universidad Central de Venezuela, School of Medicine “Dr. Luis Razetti”. Caracas, Venezuela
2008 – Biochemistry High Academic Performance Award. Universidad Central de Venezuela, School of Medicine “Dr. Luis Razetti”. Caracas, Venezuela
2013 – Medical School Student Merit Award. Universidad Central de Venezuela, School of Medicine “Dr. Luis Razetti”. Caracas, Venezuela
2017 – General Surgery Residency Intern of the Year (PGY-1). UTHealth Houston. Houston, TX
2018 – Americas Hernia Society Fruchard Award – Best submitted poster. Americas Hernia Society Conference. Las Vegas, NV
2019 – NIDDK/National Hispanic Medical Association Travel Award.
2019 – ABSITE High Performance (>90% percentile) Award. UTHealth Houston. Houston, TX
2019 – American College of Surgeons Resident Member Scholarship Award.
2020 – ABSITE High Performance (>90% percentile) Award. UTHealth Houston. Houston, TX
2020 – First Place – Best Oral Presentation. South Texas Chapter – American College of Surgeons. Houston, TX
2020 – Second place – Resident Research Award Best Oral Presentation. UTHealth Houston. Houston, TX
2021 – Golden Gallbladder Award (most biliary surgeries during the academic year). UTHealth Houston. Houston, TX
2023 – Golden Chopsticks Award (excellence in skills related to minimally invasive approaches to general surgery, including laparoscopic, endoscopic, and robotic techniques). UTHealth Houston. Houston, TX
2023 – General Surgery Residency Chief Resident of the Year (PGY-5). UTHealth Houston. Houston, TX
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