
Locations and Appointments
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.
- Aetna Signature Administrators
- Medicare Managed Care
- HMO
- PPO
- POS
- EPO
- NY Signature
- Student Health
- Essential Plan
- Medicaid Managed Care
- Special Needs
- Medicare Managed Care
- PPO
- HMO
- Great West (National)
- EPO
- POS
- PPO
- Medicare Managed Care
- Select Care (Exchange)
- Vytra
- EPO
- Medicare Managed Care
- HMO
- PPO
- POS
- ConnectiCare
- Essential Plan
- Medicaid Managed Care
- Medicaid Managed Care
- Child/Family Health Plus
- Essential Plan
- PPO
- Medicare Managed Care
- HMO
- EPO
- Essential Plan
- Medicaid Managed Care
- Medicare Managed Care
- Child/Family Health Plus
- Leaf (Exchange)
- Medicaid Managed Care
- Child/Family Health Plus
- Medicare Managed Care
- Medicare Managed Care
- Local 1199
- MagnaCare
- Traditional Medicare
- Railroad
- Multiplan
- HMO
- Essential Plan
- Child/Family Health Plus
- Medicaid Managed Care
- Special Needs
- HMO
- POS
- PPO
- Empire Plan
- Compass (Exchange)
- Oxford Liberty
- Oxford Freedom
- Oxford HMO
- Medicare Managed Care
- Medicaid (Community Plan)
- SelectHealth
- Medicare Managed Care
- Special Needs
- Medicaid Managed Care
- Medicare Managed Care
- World Trade Center Health Plan
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
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
HOSPITAL AFFILIATIONS
- NewYork-Presbyterian / Columbia University Irving Medical Center


