Medical Specialties
An exceptional range of health care resources.

Digestive Health

From the inside out.

Prevea's team of gastroenterologists specializes in the diagnosis and treatment of diseases of the digestive system. Their area of expertise includes the esophagus, stomach, small intestine, large intestine, liver, gallbladder, and pancreas. Whether you're suffering from heartburn or other digestive problems, they have the tools and knowledge to provide you with the answers you need.

 

Services

  • Colonoscopy

  • Upper endoscopy

  • Capsule (pill) endoscopy

  • Flexible sigmoidoscopy

  • Endoscopic retrograde cholangio pancreatography (ERCP)

  • Endoscopic ultrasound (EUS)

  • Liver biopsy

  • Ambulatory pH studies

  • Esophageal manometry

  • Helicobacter Pylori breath test

  • Paracentesis

  • Lactose intolerance testing

 

Meet the Digestive Health Providers:

To learn more about each provider, click on his or her name below. If you would like to learn about providers in a different specialty, click here.

 

Green Bay

Roland Christian, MD, FACP

Peter Dzwonkowski, MD

David Knuff, MD

Mark Laukka, MD, AGAF

Peter Stanko, MD

Susan Pasowicz, APNP, FNP-BC

 

Plymouth

David Haller, MD

 

Sheboygan

David Haller, MD

Colleen Gumm, APNP

 

St. Vincent Hospital St. Mary's Hospital