
17 Years of Experience
Accepting patients
Who is Dr. Breglio, Pediatric Gastroenterologist in Commack, NY?
I attended Boston College then SUNY Upstate Medical School followed by Pediatric Residency at Long Island Jewish Medical Center and then Fellowship in Pediatric Gastroenterology at Mount Sinai Medical Center in Manhattan. In the subsequent almost 20 years of Gastroenterology practice, I have focused on the treatment of various Pediatric Gastroenterology illnesses including Inflammatory Bowel Disease, Celiac Disease, gastrointestinal reflux, constipation, Eosinophilic Esophagitis and general nutrition. As part of my practice, I perform all Pediatric Gastrointestinal endoscopic procedures including upper endoscopy, colonoscopy, feeding tube placement, polypectomies, dilations and pH probe placement.
What are Areas of Expertise for Dr. Breglio?
Dr. Keith Breglio, MD is a highly-rated, board-certified Pediatric Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Breglio empowers patients to confidently navigate their health journey, specializing in Crohn's Disease, Gastroesophageal Reflux Disease (GERD), Ulcerative Colitis, and comprehensive wellness support. Serving the Commack, NY community, Dr. Breglio is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Breglio go to medical school and complete their residency?
Fellowship: Mount Sinai
Residency: North Shore-Long Island Jewish Health System
Medical School: Upstate Medical University/ College of Health Professions
Is Dr. Breglio board certified as a Pediatric Gastroenterologist?
Yes, Dr. Keith Breglio, MD is board certified by the American Board of Pediatrics
What languages does Dr. Breglio speak?
Dr. Breglio and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Pediatric Gastroenterologist like Dr. Breglio typically treat?
As a Pediatric Gastroenterologist, Dr. Breglio 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. Breglio. 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:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, 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
Also known as:
- Eosinophilic Esophagitis
- EoE
- Allergic Esophagitis
- Eosinophilic Inflammation of Esophagus
ICD-10 Codes:
- K200: Eosinophilic esophagitis
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:
- Crohn's Disease
- Crohn’s Disease
- Regional Enteritis
- Inflammatory Bowel Disease (IBD)
- Terminal Ileitis
ICD-10 Codes:
- K5090: Crohn's disease, unspecified, without complications
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Ulcerative Colitis
- Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Colitis
ICD-10 Codes:
- K5190: Ulcerative colitis, unspecified, without complications
Also known as:
- Milk Allergy
- Food Allergy
- Dairy allergy
- Milk protein allergy
- Allergy to dairy products
ICD-10 Codes:
- Z91011: Allergy to milk products
Also known as:
- Other Abnormal Enzyme Levels
- Unspecified high enzymes
- Various enzyme abnormalities
- Abnormal serum enzyme levels
ICD-10 Codes:
- R748: Abnormal levels of other serum enzymes
What procedures does a Pediatric Gastroenterologist like Dr. Breglio typically perform?
As a Pediatric Gastroenterologist, Dr. Breglio performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Breglio. 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:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
Does Dr. Breglio accept my insurance?
Dr. Breglio 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. Breglio accept in Commack, NY?
Dr. Breglio in Commack, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Centene Corporation
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Healthfirst New York
MagnaCare Rx Administered Payer
Molina Healthcare
National Benefit Fund
UnitedHealth Group
View All Insurances
Where is Dr. Breglio's office located?

Stony Brook Children's Hospital - Advanced Pediatric Care
500 Commack Road, Suite 104
Commack, NY 11725
Q&A with Dr. Keith Breglio, MD
What is Dr. Breglio's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Breglio's National Provider Identifier (NPI) number is 1922277813.
What common questions do patients ask about Dr. Breglio?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Breglio
What is Dr. Keith Breglio's specialty?
Dr. Breglio is a Pediatric Gastroenterologist near Commack, 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. Keith Breglio affiliated with a ranked Castle Connolly Top Hospital?
No, Breglio is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Stony Brook Children's Hospital. Castle Connolly Top Hospitals 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 Keith Breglio accepting new patients in Commack, NY?
Yes, Dr. Keith Breglio is accepting new patients at this time.
Does Dr. Keith Breglio offer online booking?
Please contact Dr. Breglio's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Keith Breglio?
Please contact Dr. Breglio's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Keith Breglio have?
Dr. Keith Breglio is certified by the American Board of Pediatrics.
Other Pediatric Gastroenterologist Near Commack, NY

Dr. Anupama Chawla, MD is a Pediatric Gastroenterologist, who primarily practices in Commack, NY.

Stony Brook Children's Hospital - Advanced Pediatric Care
500 Commack Road, Suite 104
Commack, NY 11725
LM
Pediatric Gastroenterologist
Dr. Libia Moy, MD is a Pediatric Gastroenterologist, who primarily practices in New Hyde Park, NY with 2 additional practice locations. She has been practicing for over 29 years.
New Hyde Park, NY

Pediatric Gastroenterologist
Dr. Farrah Lazare, DO is a Pediatric Gastroenterologist, who primarily practices in Mineola, NY with 2 additional practice locations. She has been practicing for over 18 years and is board certified.
Mineola, NY
Connect with DR. Breglio
Sponsored

Stony Brook Children's Hospital - Advanced Pediatric Care
500 Commack Road, Suite 104
Commack, NY 11725