Best Gastroenterologists in Green Bay
Looking for a gastroenterologist in Green Bay? Most patients narrow the list by insurance first, then by location and reviews. 15+ verified gastroenterologists appear below.
15 gastroenterologists in Green Bay

Swati Chaudhari, MD
4.5Swati Chaudhari · Gastroenterology Physician
725 S Webster Ave Suite 303(920) 431-5650
Bellin Memorial Hospital Inc.
4.5Bellin Memorial Hospital Inc. · Gastroenterology Physician
725 S Webster Ave(920) 431-5650

Matthew Braun Kaspar, MD
4.5Matthew Braun Kaspar · Gastroenterology Physician
725 S Webster Ave(920) 431-5650
Narayan Amarnani M D S C
4.5Narayan Amarnani M D S C · Gastroenterology Physician
725 S Webster Ave(920) 431-5650


Peter Dzwonkowski, MD
4.5Peter Dzwonkowski · Gastroenterology Physician
1726 Shawano Ave(920) 496-4700
Bogdan Cristescu, MD
4.5Bogdan Cristescu · Gastroenterology Physician
2845 Greenbrier Rd(920) 288-8100
Roland Bernhard Christian, MD
4.5Roland Bernhard Christian · Gastroenterology Physician
1726 Shawano Ave(920) 496-4700
David Anthony Knuff, MD
4.5David Anthony Knuff · Gastroenterology Physician
725 S Webster Ave(920) 431-5650

Mitchell W Manthey, MD
4.5Mitchell W Manthey · Gastroenterology Physician
2845 Greenbrier Rd(920) 288-8100

Narayan H Amarnani, MD
4.5Narayan H Amarnani · Gastroenterology Physician
725 S Webster Ave(920) 431-5650
Gastroenterologists in Green Bay 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 Green Bay — useful if your insurance network extends across the metro.
About finding a gastroenterologist in Green Bay
Green Bay has gastroenterologists practicing across hospital systems, group practices, and independent clinics. When choosing a gastroenterologist in Green Bay, 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 Green Bay 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 Green Bay
How much does a visit to a gastroenterologist cost in Green Bay?+
In-network gastroenterologists in Green Bay 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 Green Bay gastroenterologists who list your specific plan, and confirm acceptance directly with the office before booking.
Are Green Bay gastroenterologists accepting new patients?+
Most Green Bay 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 Green Bay 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 Green Bay?+
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.