Gastroenterologist
121 Eileen Way
Syosset, NY
11791
Top reviews
Dr Kostas Sideridis is the best doctor in the world. He addressed my issue explained what steps he would take to investigate my digestive issues. I went for testing the following morning and he called me with the result ASAP!Cant Show moreget better service than that. He answered all my questions and is very knowledgeable. Not an alarmist! I would recommend Dr S to everyone I know and to all I don’t know!
Great Knowledgeable Doctor. I will highly recommend him to friends and Family. Understood my problem and knew right of way what I was talking about.
Kostas Sideridis, DO, is an osteopathic doctor at Long Island Gastro in Syosset, Long Island, New York.
Dr. Sideridis earned his degree at the New York Institute of Technology College of Osteopathic Medicine. He then completed his internship at the Wyckoff Heights Medical Center in Brooklyn, New York, and completed his residency at New York University Winthrop Hospital. Dr. Sideridis then went on to complete his fellowship in gastroenterology at the Long Island Jewish Medical Center. After completing his fellowship, Dr. Sideridis helped co-found Long Island Gastro.
Dr. Sideridis takes the time to listen to patient concerns and discuss the variety of treatment options available. Dr. Sideridis is dedicated to being a partner to patients seeking to improve their overall health. Patients with hepatopancreatobiliary diseases and irritable bowel syndrome have found the relief they need with Dr. Sideridis. He is also a proponent of therapeutic endoscopy to treat a variety of gastrointestinal issues.
For a doctor that cares about patient satisfaction, and offers the best possible treatment, book an appointment online or by phone with Dr. Sideridis.
Weight Loss
Colonoscopy
Hemorrhoids
Abdominal Pain
Irritable Bowel Syndrome
Colon Cancer Screening
Constipation
Endoscopy
Liver Disease
Gastroesophageal Reflux Disease (GERD)
Inflammatory Bowel Disease
Gallstones
Endoscopic Retrograde Cholangiopancreatography (ERCP)
Nutrition
IV Infusion
Location
Long Island Gastro
121 Eileen Way
Syosset, NY, 11791
More About Dr. Kostas Sideridis, DO
Practice
Specialties
Insurance
NPI Number
1003913682
Provider's Gender
Male
Reviews
Dr Kostas Sideridis is the best doctor in the world. He addressed my issue explained what steps he would take to investigate my digestive issues. I went for testing the following morning and he called me with the result ASAP!Cant get better service than that. He answered all my questions and is very knowledgeable. Not an alarmist! I would recommend Dr S to everyone I know and to all I don’t know!
Great Knowledgeable Doctor. I will highly recommend him to friends and Family. Understood my problem and knew right of way what I was talking about.
He’s a great doctor and he attends his patients well
