Best Gastroenterology Physician in East Setauket
Looking for a gastroenterology physician in East Setauket? Most patients narrow the list by insurance first, then by location and reviews. 19+ verified gastroenterology physician appear below.
19 gastroenterology physician in East Setauket

Robert John Baranowski, MD
4.5Robert John Baranowski · Gastroenterology Physician
3400 Nesconset Hwy(631) 751-8700
Seth Evan Persky, MD
4.5Seth Evan Persky · Gastroenterology Physician
3400 Nesconset Hwy(631) 751-8700


Eugene Anthony Coman, MD
4.5Eugene Anthony Coman · Gastroenterology Physician
3400 Nesconset Hwy(631) 751-8700


Long Island Digestive Disease Consultants, PC
4.5Long Island Digestive Disease Consultants, PC · Gastroenterology Physician
3400 Nesconset Hwy(631) 751-8700




Isabelle M Vonalthen Dagum, MD
4.5Isabelle M Vonalthen Dagum · Gastroenterology Physician
3 Technology Dr(631) 444-5220
Alexandra Guillaume, MD
4.5Alexandra Guillaume · Gastroenterology Physician
3 Technology Dr(631) 444-5220
Howard Adam Keschner, MD
4.5Howard Adam Keschner · Gastroenterology Physician
3400 Nesconset Hwy(631) 751-8700



Gary Richard Bernstein, MD
4.5Gary Richard Bernstein · Gastroenterology Physician
3400 Nesconset Hwy(631) 751-8711
Gastroenterology Physician in East Setauket by insurance
These providers list this insurance as accepted, but coverage should be confirmed directly with the provider before booking.
Gastroenterology Physician in nearby cities
Same specialty in cities near East Setauket — useful if your insurance network extends across the metro.
About finding a gastroenterology physician in East Setauket
East Setauket has gastroenterology physician practicing across hospital systems, group practices, and independent clinics. When choosing a gastroenterology physician in East Setauket, the three factors most patients care about are: insurance acceptance, distance from home or work, and patient reviews. Heallexa shows all three on every listing so you can compare without clicking back and forth.
Many East Setauket gastroenterology physician list major insurance plans including Blue Cross Blue Shield, Aetna, UnitedHealthcare, Cigna, Humana, and Medicare. Listings reflect what providers have indicated they accept — always confirm in-network status directly with the office before booking. Out-of-network visits can cost 3–5× more than in-network ones.
Common questions about gastroenterology physician in East Setauket
How much does a visit to a gastroenterology physician cost in East Setauket?+
In-network gastroenterology physician in East Setauket typically run $120–$300 for an initial visit before insurance. Out-of-network rates can be 3–5× higher. Use the insurance filter above to see East Setauket gastroenterology physician who list your specific plan, and confirm acceptance directly with the office before booking.
Are East Setauket gastroenterology physician accepting new patients?+
Most East Setauket listings indicate new-patient status on the profile. Wait times vary by specialty and insurance; calling the office directly is the fastest way to confirm same-week availability.
Which insurance plans do East Setauket gastroenterology physician list?+
Major plans in include Blue Cross Blue Shield, Aetna, UnitedHealthcare, Cigna, Humana, and Medicare. Listings show plans the provider has indicated they accept — always confirm in-network status directly with the office before your appointment.
Do I need a referral to see a gastroenterology physician in East Setauket?+
Most PPO plans in allow direct booking. HMO and many Medicare Advantage plans require a primary-care referral first. Confirm with your insurer or the office before booking.