Doctors & Team

Meet the top clinicians and weight loss specialists at Bariendo, who guide you through every step of your journey and set the standard for excellence.

Clinical Advisory

Dr. Christopher C. Thompson

Inventor of ESG Stomach Tightening

Professor, Harvard Medical School
Dr. Pichamol “Sigh” Jirapinyo

Director of Bariatric Endoscopy Fellowship, Brigham and Women’s Hospital

Assistant Professor, Harvard Medical School
Dr. Ali Abbas

Bariendo Greater Tampa Director

Harvard-trained Bariatric Endoscopist
Dr. Zaid Rana

Bariendo Greater Miami Director

Assistant Professor, Orlando College of Osteopathic Medicine
Dr. Lindsey Merritt

Bariendo Greater Jacksonville Director

Advanced Endoscopist, Borland Groover
Dr. Mustafa S. Huseini

Bariendo Greater Detroit Director
Dr. Morris Washington

Bariendo Charleston, SC Director

Board-Certified Bariatric Surgeon

Nurse Practitioners & Physician Assistants

Grayce O’Neill

Physician Assistant

Bachelor of Science, University of Texas Southwestern Medical Center
Shivani Mehta

Physician Assistant

Master in Medical Science, Midwestern University, Glendale
Erica Marrero

Nurse Practitioner

Master of Science in Nursing, University of Miami

Clinical Support

Chelsea D’Ascanio

Head of Perioperative Services

Doctorate of Nursing Practice Northeastern University, Boston
Sheri Zarrella

Head of Nursing Services

Bachelor of Science in Nursing Fitchburg State University

Dietitians & Wellness Expert

Lauren Kort

Registered Dietitian

Master of Science in Nutrition, University of Georgia
Matt Abel

Registered Dietitian

Master of Science in Nutrition and Exercise Physiology, Columbia University
Cameron Prendergast

Therapeutic Wellness Expert