About Marcelo F. Larsen, MD

Dr. Marcelo Larsen earned his medical doctorate in 1990 at the University of La Plata, Argentina.

After completion initial clinical training in Argentina he undertook fellowship training in Gastroenterology at the University of Miami/Jackson Memorial Hospital. In addition, after completion of his fellowship, he was invited to join the faculty of Hospital Privado Mar del Plata, and rose to the rank of Chief of the Division of Gastroenterology where he expanded his expertise in advanced endoscopic techniques.

He served as President of the Mar del Plata Society of Gastroenterology and was accepted as member of the Bockus International Society of Gastroenterology and later he became Fellow of the American College of Gastroenterology.

To pursue his interest in academic medicine, Dr. Larsen returned to Miami to complete a fellowship in Hepatology and Liver diseases the University of Miami/ Jackson Memorial Hospital/ under the supervision of Dr. Eugene Schiff.

In 2007 he was appointed as Assistant Professor of Gastroenterology at the University of Miami, where he has been an active participant in clinical and teaching activities across the Medical Campus. During his time on Faculty, he has been responsible for the integration of the Division of Gastroenterology into the University of Miami Hospital (UMH). Additionally he helped to oversee the genesis of the University of Miami Gastroenterology consultation and inpatient services at University of Miami Hospital.

In 2017 he became Medical Director of GI Endoscopy Unit at Jackson Memorial Hospital where he served until 2019.

Dr Larsen is ABIM Board Certified in both Internal Medicine and Gastroenterology.

Dr. Larsen is fluent in English and Spanish.

With more than 30 years of experience, he is an expert in diagnosing and treating disorders of the digestive system, including the use of advanced endoscopic techniques. He is accepting new patients and referrals.

Conditions & Procedures

  • Abdominal Pain
  • Acid Reflux & GERD
  • Anemia
  • Barrett's Esophagus
  • Biliary Disease
  • Celiac Disease
  • Cirrhosis
  • Colon Cancer Screening
  • Colon Diseases & Polyps
  • Colorectal (Colon) Cancer
  • Constipation
  • Diarrhea
  • Diverticulitis
  • Dyspepsia
  • Dysphagia
  • Esophageal Disease
  • Gallbladder Disease
  • Gallstones
  • Gastritis
  • Gastrointestinal Bleeding
  • H. Pylori
  • Hemorrhoids
  • Hepatitis
  • Indigestion
  • Irritable Bowel Syndrome
  • Liver Disease
  • Pancreatic Disease & Pancreatitis
  • Peptic Ulcer Disease
  • Colonoscopy (Screening & Diagnostic)
  • EGD (Upper Endoscopy)
  • Endoscopic Mucosal Resection (EMR)
  • Endoscopic Ultrasound (EUS)
  • Enteroscopy (Small & Large Bowel)
  • ERCP & Stents
  • Esophageal & Colonic Stenting
  • Esophageal Ablation
  • Esophageal Dilation
  • Flexible Sigmoidoscopy
  • PEG Placement

Office Locations

Primary Location

Picture of the Bayshore Office


3661 S. Miami Ave.
Suite 907
Miami, FL 33133

Phone: 305-856-7333
Fax: 305-856-8030

Procedure Locations

Having a procedure? It may not always be in the same location where you consulted with your doctor. Check with your doctor to make sure you’re headed to the right place.



Universidad Nacional de la Plata


Community Private Hospital


Community Private Hospital


University of Miami Jackson Memorial Hospital GME


Community Private Hospital

Professional Highlights


Board Certified, Gastroenterology

Board Certified, Internal Medicine

Professional Memberships

  • American College of Gastroenterology
  • Florida Society of Gastroenterology