

Gastroenterology
Daniel Maselli, MD
Rochester, MN
Daniel B. Maselli, M.D., is a board-certified gastroenterologist at Mayo Clinic in Rochester, Minnesota, specializing in metabolic and bariatric endoscopy. He performs non-surgical, minimally invasive endoscopic procedures to treat obesity and associated conditions, including type 2 diabetes, fatty liver disease, metabolic syndrome, gastroesophageal reflux disease, and gastrointestinal bleeding. His clinical expertise encompasses colonoscopy, upper endoscopy, endoscopic sleeve gastroplasty, and
11+
Years in Practice
Credentials
Board Certifications
- Gastroenterology (ABIM)
- Internal Medicine (ABIM)
- Obesity Medicine (American Board of Obesity Medicine)
Education & Training
- Vanderbilt University Medical Center — Advanced Endoscopy, 2021-2022
- Mayo Clinic College of Medicine and Science (Rochester) — Fellowship, Gastroenterology, 2018-2021
- University of Massachusetts / Worcester Campus — M.D., 2015
Clinical Focus
Subspecialties
Bariatric Endoscopy
Conditions & Treatments
ObesityEndoscopic Bariatric TherapyFatty Liver DiseaseGERD & RefluxDiabetes
Practice Details
Hospital Affiliations
- Vanderbilt University Medical Center
- Mayo Clinic
Languages
English
Experience
11+ years in practice