Gastroenterology in Syosset, New York
Data updated monthly · Last refresh September 2026
10 Gastroenterology providers practice in Syosset. Listings are drawn from federal public records and are not endorsements.
Gastroenterology providers in Syosset
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Alan Harris, M.D.Syosset, NY · No drug or device payments recorded (2025) ·
(516) 692-4067 Dr. Arthur Lowy, M.D.Syosset, NY · $1,006 in drug and device payments (2025) · Telehealth ·
(516) 822-2541 Dr. Faisal Sheikh, D.O.Syosset, NY · $1,149 in drug and device payments (2025) ·
(516) 802-7555 Dr. Jaydeep Kadam, M.D.Syosset, NY · $4,649 in drug and device payments (2025) · Telehealth ·
(516) 584-6400 Dr. Joseph Lazar, MDSyosset, NY · No drug or device payments recorded (2025) ·
(516) 496-1060 Dr. Karl Friedman, MDSyosset, NY · No drug or device payments recorded (2025) ·
(516) 921-3131 Dr. Kostas Sideridis, DOSyosset, NY · $6,772 in drug and device payments (2025) · Telehealth ·
(516) 584-6400 Dr. Michael AshamallaSyosset, NY · $4,176 in drug and device payments (2025) · Telehealth ·
(516) 584-6400 Dr. Sandra Layne, M.D.Syosset, NY · $1,199 in drug and device payments (2025) ·
(516) 864-2700 Dr. Soren Gandhi, M.D.Syosset, NY · $2,745 in drug and device payments (2025) · Telehealth ·
(168) 224-4404 Conditions Gastroenterology providers in Syosset, New York commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.
- Acid reflux
- IBS
- Crohn disease
- Ulcerative colitis
- Celiac disease
- Colon cancer screening
Common questions
How many Gastroenterology providers are in Syosset, New York?There are 10 Gastroenterology providers with active NPI records practicing in Syosset, according to federal NPPES data refreshed monthly.
What conditions do Gastroenterology providers in Syosset treat?Gastroenterology providers in Syosset commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Syosset Gastroenterology across New York