
48 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Leleiko, Pediatric Gastroenterologist in New York, NY?
With a rare combination of board certification in pediatric gastroenterology and a PhD in nutrition, Dr. Neal LeLeiko is an authority on the role of nutritional therapy as a component of treatment for children and adolescents with IBD and other digestive disorders. Dr. LeLeiko joined NewYork-Presbyterian Morgan Stanley Children's Hospital as Director of the Pediatric Inflammatory Bowel Disease (IBD) Program and as an Attending Physician. He joined the Columbia University faculty in the Division of Pediatric Gastroenterology, Nutrition and Liver Diseases as a Professor of Pediatrics. Dr. LeLeiko comes from The Warren Alpert Medical School of Brown University, where he was Professor of Pediatrics and Director, Division of Pediatric Gastroenterology, Nutrition and Liver Diseases at Hasbro Children?s Hospital. Before that he served as Chief of Pediatric Gastroenterology at The Mount Sinai School of Medicine in New York City for 23 years.
Where did Dr. Leleiko go to medical school and complete their residency?
Fellowship: Boston Children's Hospital, Fellow:Gastroenterology | Massachusetts Institute of Technology, Fellow:Nutrition
Residency: The Mount Sinai Medical Center, New York | Massachusetts Institute of Technology
Medical School: New York Medical College
Is Dr. Leleiko board certified as a Pediatric Gastroenterologist?
Yes, Dr. Neal Leleiko, MD is board certified by the American Board of Pediatrics , American Board of Dermatology since 1976, American Board of Dermatology since 1997
What languages does Dr. Leleiko speak?
Dr. Leleiko and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Pediatric Gastroenterologist like Dr. Leleiko typically treat?
As a Pediatric Gastroenterologist, Dr. Leleiko diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Leleiko. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Feeding Difficulties
- Eating Problems
- Swallowing Problems
- Unspecified Feeding Issues
ICD-10 Codes:
- R6330: Feeding difficulties, unspecified
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Also known as:
- Crohn's Disease
- Crohn’s Disease
- Complicated Crohn's Disease
- Inflammatory Bowel Disease (IBD) with Complications
- Regional Enteritis with Complications
ICD-10 Codes:
- K50919: Crohn's disease, unspecified, with unspecified complications
Also known as:
- Failure to Thrive in Children
- Growth Disorder
- Poor growth in children
- Childhood growth problems
- Infant growth failure
ICD-10 Codes:
- R6251: Failure to thrive (child)
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Does Dr. Leleiko accept my insurance?
Dr. Leleiko accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Leleiko accept in New York, NY?
Dr. Leleiko in New York, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
CVS Health (formerly Aetna)
EmblemHealth
National Benefit Fund
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Leleiko's office located?

CUIMC/NewYork-Presbyterian Morgan Stanley Children's Hospital
3959 Broadway
New York, NY 10032
What is Dr. Leleiko's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Leleiko's National Provider Identifier (NPI) number is 1831143981.
What common questions do patients ask about Dr. Leleiko?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Leleiko
What is Dr. Neal Leleiko's specialty?
Dr. Leleiko is a Pediatric Gastroenterologist near New York, NY.
What does a Pediatric Gastroenterologist do?
A pediatrician specializing in diagnosing and treating digestive system diseases in infants, children, and adolescents. This expert manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice and is skilled in performing complex diagnostic and therapeutic procedures using endoscopic techniques to visualize internal organs.
Is this Dr. Neal Leleiko affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Leleiko is affiliated with Newyork-Presbyterian/columbia University Irving Medical Center, Newyork-Presbyterian Westchester which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Pediatric Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Pediatric Gastroenterologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Neal Leleiko accepting new patients in New York, NY?
Yes, Dr. Neal Leleiko is accepting new patients at this time.
Does Dr. Neal Leleiko offer online booking?
Please contact Dr. Leleiko's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Neal Leleiko?
Please contact Dr. Leleiko's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Neal Leleiko have?
Dr. Neal Leleiko is certified by the American Board of Pediatrics and American Board of Dermatology.
Other Pediatric Gastroenterologist Near New York, NY

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CUIMC/NewYork-Presbyterian Morgan Stanley Children's Hospital
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Dr. Elizabeth Berg, MD is a Pediatric Gastroenterologist, who primarily practices in New York, NY.

CUIMC/NewYork-Presbyterian Morgan Stanley Children's Hospital
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Dr. Julie Khlevner, MD is a Pediatric Gastroenterologist, who primarily practices in New York, NY.
CUIMC/NewYork-Presbyterian Morgan Stanley Children's Hospital
3959 Broadway
New York, NY 10032
Connect with DR. Leleiko
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CUIMC/NewYork-Presbyterian Morgan Stanley Children's Hospital
3959 Broadway
New York, NY 10032