Best Gastroenterologists in Bayside
Looking for a gastroenterologist in Bayside? Most patients narrow the list by insurance first, then by location and reviews. 5 gastroenterologists appear below.
5 gastroenterologists in Bayside


Nicholas Triantafillou, MD
4.5Nicholas Triantafillou · Gastroenterology Physician
21305 39Th Ave(718) 224-1378
Nicholas Triantafillou MD PC
4.5Nicholas Triantafillou MD PC · Gastroenterology Physician
21305 39Th Ave(718) 224-1378

Keystone Medical PC
4.5Keystone Medical PC · Gastroenterology Physician
21333 39Th Ave Suite 248(718) 428-5333
Gastroenterologists in Bayside by insurance
These providers list this insurance as accepted, but coverage should be confirmed directly with the provider before booking.
Gastroenterologists in nearby cities
Same specialty in cities near Bayside — useful if your insurance network extends across the metro.
About finding a gastroenterologist in Bayside
Bayside has gastroenterologists practicing across hospital systems, group practices, and independent clinics. When choosing a gastroenterologist in Bayside, 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 Bayside gastroenterologists 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 gastroenterologists in Bayside
How much does a visit to a gastroenterologist cost in Bayside?+
In-network gastroenterologists in Bayside 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 Bayside gastroenterologists who list your specific plan, and confirm acceptance directly with the office before booking.
Are Bayside gastroenterologists accepting new patients?+
Most Bayside 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 Bayside gastroenterologists 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 gastroenterologist in Bayside?+
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.