Find a Physician at Baylor College of Medicine

This directory only includes providers practicing at Baylor Medicine.

Specialties
  • Gastroenterology
Professional Interests
  • General Gastroenterology
  • Celiac and Non-Celiac Gluten Sensitivity
  • Colorectal Cancer Screening & Colonoscopy

Specialties
  • Gastroenterology
Professional Interests
  • Barrett's Esophagus
  • Esophageal Cancer
  • Gastric Cancer
Headshot of Juliet Holder-Haynes, M.D., MBA
Juliet Holder-Haynes, M.D., MBA
Assistant Professor of Surgery

Specialties
  • General Surgery
  • Hernia Surgery
  • Minimally Invasive Surgery
Professional Interests
  • Weight-loss Surgery
  • General Surgery
  • Bariatric Surgery

Specialties
  • Ulcerative colitis
  • Crohn's Disease
  • Inflammatory Bowel Disease
Professional Interests
  • Inflammatory bowel disease: Crohn's disease, ulcerative colitis
  • Microscopic colitis
  • Celiac disease
Headshot of Samer Gamil Mattar, M.D., FACS
Samer Gamil Mattar, M.D., FACS
Professor and Chief

Specialties
  • Bariatric Surgery
  • Bariatric surgery
  • Weight loss procedure/surgery
Professional Interests
  • Surgical treatment of obesity and metabolic syndrome
  • Gastro-esophageal reflux disease
  • Paraesophageal hernias
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