1. a physician or medical specialist who performs gastroscopy (examination of the stomach and upper digestive tract using an endoscope)
Usage: medical/clinical term; also called a gastroenterologist when referring to broader digestive system specialists

Examples

• The gastroscopist inserted the endoscope to examine the patient's stomach lining.
• My doctor referred me to a gastroscopist after I reported persistent abdominal pain.
• The gastroscopist discovered a small ulcer during the procedure.
• She trained for years to become a skilled gastroscopist.
• The gastroscopist took tissue samples for biopsy during the examination.