Locations and Appointments
New Patients
CUIMC/Herbert Irving Pavilion
Insurances Accepted
Before your appointment, please contact the doctor's office or your insurance provider to verify that your insurance is accepted. This list of insurances can change, and the insurance plans listed may not be accepted at all office locations for this provider.
About Dennis M. De Leon, MD
Dr. Dennis M. De Leon Morilla is a gastroenterologist dedicated to diagnosing and managing both acute and chronic digestive tract conditions. He earned his medical degree from Ponce School of Medicine in 2018 after completing an interdisciplinary sciences undergraduate program at the University of Puerto Rico. Dr. De Leon Morilla then pursued his internal medicine residency at Columbia University Irving Medical Center, followed by a specialized fellowship in gastroenterology at Memorial Sloan-Kettering Cancer Center.
His extensive training in gastrointestinal malignancies has fostered a particular focus on colorectal cancer prevention and surveillance. Dr. De Leon Morilla is committed to making these vital services accessible and providing comprehensive, personalized care for gastrointestinal diseases in adults.
His approach ensures optimal patient outcomes through evidence-based practices and a dedication to individualized treatment plans.
Specialties & Expertise
- Acid Reflux
- Acid/Peptic Disorders
- Bowel Problems
- Colon Cancer Screening and Prevention
- Colon Polyp Resection
- Colon Polyps
- Colonoscopy
- Colorectal Cancer
- Constipation
- Diagnostic Colonoscopy
- Diarrhea
- Digestive System Disorder
- Disease of Colon
- Disorder of Stomach
- Endoscopy
- Gastric Ulcer
- Gastroesophogeal Reflux / GERD
- Gastrointestinal Bleeding
- General Gastroenterology
- H. Pylori Infection
- Heartburn
- Intestinal Disease
- Peptic Ulcer Disease
- Polypectomy
- Positive Cologuard
- Radiation Proctitis
- Schatzki Ring
- Sigmoidoscopy
- Surveillance for Colorectal Cancer
- Virtual Colonoscopy
Education
- Medical School: Ponce Health Sciences University
- Fellowship: Memorial Sloan- Kettering Cancer Center
- Residency: NewYork-Presbyterian / Columbia University Irving Medical Center
Leadership, Titles & Positions
- Assistant Professor of Medicine at CUMC
