Gastroenterology


The Gastroenterology Physicians of Aurora Advanced Healthcare offer the full continuum of care with direct access to a fully integrated healthcare system. The experienced Gastroenterology Team provides comprehensive, integrated care for its patients with gastrointestinal disorders, serving as the premier group in Wisconsin for the treatment of gastrointestinal and liver diseases. We treat our patients and their families with dignity and respect, and place emphasis on the superior patient experience. We are conveniently located throughout southeastern Wisconsin in Brookfield, Franklin, Germantown, Grafton, Hubertus, Menomonee Falls, Mequon, Milwaukee, New Berlin, Port Washington, Wauwatosa and West Allis.


Colon Cancer StarPreventable. Treatable. Beatable. Colorectal cancer, often referred to as colon cancer, is the second leading cancer killer among men and women in the U.S. Colorectal cancer is largely preventable with regular screening, and is curable with early detection."  Below that I would like to put a few links to information:

Get screened today!  Call your Aurora Advanced Healthcare clinic to schedule an appointment. See the list of Aurora Advanced Healthcare Gastroenterologists on the right side of the gastro.ah.com homepage to learn more about our team.


What is Gastroenterology?

Gastroenterology primarily focuses on the diagnosis and treatment of diseases of the digestive system. Common digestive disorders include Heartburn, GERD, Abdominal Pain, Diarrhea, Constipation, Rectal bleeding, Gall stones, Irritable Bowel Syndrome, Liver diseases and Pancreatic disorders. Gastroenterology also focuses on identifying and treating some common Gastrointestinal Cancers. The common ones being Colon, Pancreatic and Esophageal cancers.

The most common screening that our gastroenterologists perform is a colonoscopy.

Gastroenterologist by Location:

Our Commitment:

Millions of people live with problems and diseases of the intestinal and digestive tracts. Our board certified gastroenterologists have knowledge about the latest in technology and medications for treating peptic ulcer disease, Inflammatory Bowel Disease (Crohn’s and colitis), Irritable Bowel Syndrome, heartburn, colon cancer and other related problems.


Man checking his MyAHChart account on his laptop.

Request an Appointment

Contact your doctor through secure messaging...

A helpful web site for digestive diseases…

Read More...

March is Colorectal Cancer Awareness Month

Learn more...

Gastroenterologists

Dr. John T Bjork
Dr. John T Bjork, MD - Gastroenterology Services - Aurora Advanced Healthcare, Inc.

John T Bjork MD

Gastroenterology

Dr. Fernando A Carballo
Dr. Fernando A Carballo, MD - Gastroenterology Services - Aurora Advanced Healthcare, Inc.

Fernando A Carballo MD

Gastroenterology

Dr. Cesar A Chan, Jr
Dr. Cesar A Chan, Jr, MD - Gastroenterology Services - Aurora Advanced Healthcare, Inc.

Cesar A Chan, Jr MD

Gastroenterology

Dr. Jerome T Hanson
Dr. Jerome T Hanson, MD - Gastroenterology Services - Aurora Advanced Healthcare, Inc.

Jerome T Hanson MD

Gastroenterology

Dr. Sunil  Kapur
Dr. Sunil  Kapur, MD - Gastroenterology Services - Aurora Advanced Healthcare, Inc.

Sunil  Kapur MD

Gastroenterology

Dr. Raman  Khanna
Dr. Raman  Khanna, MD - Gastroenterology Services - Aurora Advanced Healthcare, Inc.

Raman  Khanna MD

Gastroenterology

Dr. Jimmy  Kim
Dr. Jimmy  Kim, MD - Gastroenterology Services - Aurora Advanced Healthcare, Inc.

Jimmy  Kim MD

Gastroenterology

Dr. Lane  Kistler
Dr. Lane  Kistler, MD - Gastroenterology Services - Aurora Advanced Healthcare, Inc.

Lane  Kistler MD

Gastroenterology

Dr. Franklin D Loo
Dr. Franklin D Loo, MD - Gastroenterology Services - Aurora Advanced Healthcare, Inc.

Franklin D Loo MD

Gastroenterology

Dr. Thomas G Malloy
Dr. Thomas G Malloy, MD - Gastroenterology Services - Aurora Advanced Healthcare, Inc.

Thomas G Malloy MD

Gastroenterology

Dr. Shaibal  Mazumdar
Dr. Shaibal  Mazumdar, MD - Gastroenterology Services - Aurora Advanced Healthcare, Inc.

Shaibal  Mazumdar MD

Gastroenterology

Dr. Anne  Nagler
Dr. Anne  Nagler, MD - Gastroenterology Services - Aurora Advanced Healthcare, Inc.

Anne  Nagler MD

Gastroenterology

Dr. Thomas R Puetz
Dr. Thomas R Puetz, MD - Gastroenterology Services - Aurora Advanced Healthcare, Inc.

Thomas R Puetz MD

Gastroenterology

Dr. Vasanth K Siddalingaiah