Dennis M. De Leon, MD

Gastroenterology
Accepting New Patients
Virtual Visits/Telehealth

Overview

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.

Areas of Expertise / Conditions Treated

  • Acid/Peptic Disorders
  • Acid Reflux
  • Bowel Problems
  • Colon Cancer Screening and Prevention
  • Colonoscopy
  • Colon Polyp Resection
  • Colon Polyps
  • 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

Administrative Titles

  • Assistant Professor of Medicine at CUMC

Gender

  • Male

Schedule an Appointment

Virtual Visits/Telehealth

Virtual Visits allow you to connect with your provider from the comfort, convenience, and safety of your own home.

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Location(s)

161 Fort Washington Avenue
New York, NY 10032
Primary
Phone:

Insurance Accepted

Affinity Health Plan

Amida Care

Cigna

Emblem/GHI

Emblem/HIP

Empire Blue Cross/Blue Shield

Empire Blue Cross Blue Shield HealthPlus

Fidelis Care

Healthfirst

Local 1199

MagnaCare (National)

Medicare

Multiplan

MVP Health Care

RiverSpring

UnitedHealthcare

WellCare

World Trade Center Health Plan

*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.

Credentials & Experience

Education & Training

  • Ponce Health Sciences University
  • Residency: NewYork-Presbyterian / Columbia University Irving Medical Center
  • Fellowship: Memorial Sloan- Kettering Cancer Center