
Overview
James Markowitz is a Pediatric Gastroenterologist in Lake Success, New York. Dr. Markowitz is highly rated in 7 conditions, according to our data. His top areas of expertise are Viral Gastroenteritis, Crohn's Disease, Hemorrhagic Proctocolitis, Colonoscopy, and Endoscopy.
His clinical research consists of co-authoring 55 peer reviewed articles and participating in 2 clinical trials. MediFind looks at clinical research from the past 15 years.
Graduate Institution
Residency
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Board Certifications
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Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- HMO
- POS
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
Locations
1991 Marcus Avenue, Suite M100, Lake Success, NY 11042
222 Middle Country Road, Suite 106, Smithtown, NY 11787
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
2 Clinical Trials
Mount Sinai
Mirna Chehade is a Pediatric Gastroenterologist in New York, New York. Dr. Chehade is highly rated in 9 conditions, according to our data. Her top areas of expertise are Eosinophilic Esophagitis, Esophagitis, Gastritis, Eosinophilic Enteropathy, and Endoscopy.
Cohen Children's Northwell Health Physician Partners At Lake Success
Joel Rosh is a Pediatric Gastroenterologist in Lake Success, New York. Dr. Rosh is highly rated in 5 conditions, according to our data. His top areas of expertise are Viral Gastroenteritis, Crohn's Disease, Colitis, Endoscopy, and Colonoscopy.
CUIMC/NewYork-Presbyterian Morgan Stanley Children's Hospital
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. Dr. Leleiko is highly rated in 6 conditions, according to our data. His top areas of expertise are Viral Gastroenteritis, Hemorrhagic Proctocolitis, Ulcerative Colitis, Endoscopy, and Colonoscopy.
Frequently Asked Questions about Dr. James F. Markowitz
How do I make an appointment with Dr. James F. Markowitz?
You can book an appointment with Dr. James F. Markowitz by calling their office at 516-472-3650. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. James F. Markowitz a top-rated expert for Viral Gastroenteritis?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. James F. Markowitz is classified as an Elite expert for Viral Gastroenteritis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. James F. Markowitz specialize in?
While Dr. James F. Markowitz is a Pediatric Gastroenterology, they have specific expertise in Viral Gastroenteritis, Crohn's Disease, and Hemorrhagic Proctocolitis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Pediatric Gastroenterology.
Does Dr. James F. Markowitz participate in research or clinical trials?
Yes. Dr. James F. Markowitz has published 55 articles and abstracts on conditions like Viral Gastroenteritis. You can view a list of Dr. James F. Markowitz's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. James F. Markowitz accept my insurance?
Dr. James F. Markowitz accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 516-472-3650 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Elite
- Viral GastroenteritisDr. Markowitz isElite. Learn about Viral Gastroenteritis.
- Distinguished
- ColitisDr. Markowitz isDistinguished. Learn about Colitis.
- Crohn's DiseaseDr. Markowitz isDistinguished. Learn about Crohn's Disease.
- Hemorrhagic ProctocolitisDr. Markowitz isDistinguished. Learn about Hemorrhagic Proctocolitis.
- Ulcerative ColitisDr. Markowitz isDistinguished. Learn about Ulcerative Colitis.
- Advanced
- Celiac DiseaseDr. Markowitz isAdvanced. Learn about Celiac Disease.
- Lactose IntoleranceDr. Markowitz isAdvanced. Learn about Lactose Intolerance.
- Experienced
- Bacterial GastroenteritisDr. Markowitz isExperienced. Learn about Bacterial Gastroenteritis.
- Bowel IncontinenceDr. Markowitz isExperienced. Learn about Bowel Incontinence.
- ColonoscopyDr. Markowitz isExperienced. Learn about Colonoscopy.
- DiarrheaDr. Markowitz isExperienced. Learn about Diarrhea.
- EncopresisDr. Markowitz isExperienced. Learn about Encopresis.
- EndoscopyDr. Markowitz isExperienced. Learn about Endoscopy.


