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Demetri J. Merianos, MD

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Demetri J. Merianos, MD
Demetri J. Merianos, MD

Demetri J. Merianos, MD is Assistant Professor of Surgery in the division of Pediatric Surgery and Pediatric Trauma at Weill Cornell Medical College and Assistant Attending Surgeon at New York-Presbyterian/Weill Cornell Medical Center. Board-certified in both pediatric and general surgery, he specializes in pediatric minimally invasive surgery, including advanced laparoscopic and thoracoscopic procedures. He enjoys a wide range of clinical interests and expertise, including neonatal and congenital anomalies, pediatric general and thoracic surgery, pediatric gastrointestinal surgery, and pediatric surgical oncology.  Dr. Merianos is fluent in Spanish and Greek. He received his undergraduate degree from Duke University in 2000. He earned his medical degree from UMDNJ--New Jersey Medical School in 2004, where he was elected to the AOA Honor Medical Society, and graduated at the top of his class. He completed his internship and residency in general surgery at the Hospital of the University of Pennsylvania in 2011, where he received both the Penn Pearl and Leonard D. Miller Teaching Awards. During his residency, he completed a two year research fellowship at the Children’s Hospital of Philadelphia in the laboratory of Alan Flake. He performed research on the immune barriers to in utero stem cell transplantation, and was the recipient of the Jonathan Rhoads Research Award. Dr. Merianos then went on to complete a two year clinical fellowship in pediatric surgery at the Children’s Hospital of Los Angeles, under the guidance of Henri Ford. He is an active member of many prestigious medical and surgical societies, including the American College of Surgeons, the American Pediatric Surgical Association, the American Academy of Pediatrics, the AOA Honor Medical Society, and the Gold Humanism Honor Society. He has published numerous peer-reviewed journal articles, abstracts, and book chapters. He has also been invited to present his research findings at a number of national and international scientific conferences.

Komansky Center for Children's Health
NewYork-Presbyterian/Weill Cornell
Primary Specialty
Pediatric Surgery (Board Certified)
Board Certification
General Surgery
Education And Training
New Jersey College of Medicine (UMDNJ)
Residency: Hospital of University of Pennsylvania Philadelphia
Fellowship: Childrens Hospital Los Angeles
Clinical Expertise
Congenital Airway
Inguinal Hernia Repair
Esophageal Atresia
Undescended Testes
Hirschsprung's Disease
Pediatric Laparoscopic Surgery
Pediatric Head & Neck Surgery
Congenital Anorectal Malformation
Circumcision - Infant
Pediatric Thoracic Surgery
Pediatric Surgical Oncology
Pediatric Minimal Access Surgery
Pectus Excavatum
Tracheoesophageal Fistula (TEF)
Chest Wall Deformities
Vascular Malformations
Pediatric Hernia
Inflammatory Bowel Diseases (IBD)
Insurance Programs
Please contact the doctor's office to verify that your insurance is accepted.
Aetna [HMO, Medicare, PPO]
Aetna [Weill Cornell Employee Plan]
Affinity [Essential (Exchange)]
Affinity [HMO]
Emblem Select Care
Empire Blue Cross Blue Shield [Child Health Plus, EPO, HMO, Pathway (Exchange), PPO]
Empire Blue Cross Blue Shield [Pathway Enhanced]
Fidelis Care
Health First
Health Insurance Plan of NY (HIP) [Medicaid, Medicare]
Medicare [Medicare]
Oscar (Exchange)
Oxford Health Plans [Freedom, Liberty]
Rockefeller University - CoreSource
United Empire
UnitedHealthcare [Community Plan, Compass (Exchange), HMO, Medicare]


This provider accepts new patients
Primary Office
520 East 70th Street
New York, NY 10021

Phone: (212) 746-5648
Fax: (212) 746-3884
Public Transportation: Yes
Disabled Access: Yes
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