Carmen Amestoy is an advanced registered nurse practitioner who specializes in gastroenterology and hepatology at Mount Sinai Medical Center. She provides comprehensive care in both inpatient and outpatient settings, working closely with physicians and interdisciplinary care teams to evaluate, diagnose, and manage a wide range of digestive and liver conditions.

She earned her Master of Science in Nursing as a Family Nurse Practitioner from South University and brings more than a decade of clinical experience in gastrointestinal care. Her background includes the management of complex conditions such as GERD, gastroparesis, gastrointestinal bleeding, inflammatory bowel disease, liver disease and cirrhosis, pancreatitis, and cancers of the gastrointestinal tract, liver, and pancreas. In her current role, she is skilled in advanced diagnostic and monitoring tools, including FibroScan and capsule endoscopy.

Carmen’s clinical approach emphasizes thorough evaluation, evidence-based treatment planning, and patient education. She is committed to ensuring patients feel informed, supported, and actively involved in their care throughout every stage of diagnosis and treatment. Fluent in English and Spanish, she is dedicated to delivering compassionate, high-quality care to a diverse patient population.