Gastroenterology

The North Memorial Difference

  • Our gastroenterologists are nationally recognized. North Memorial’s six gastroenterology providers are not only board-certified but are also recognized by Health Grades for multiple achievements.

Thomas Koenig, MD

Greg Mevissen, MD

Hashim Nemat, MD

Pete Pooler, MD

Steven Sanderson, MD

Jerrold Stempel, MD

Gastroenterology is the medical discipline concerned with disorders of the digestive tract.  At North Memorial, our six board-certified gastroenterologists -- specialists in the early detection of colon cancer and other digestive tract concerns -- diagnose and treat a wide range of conditions, including:

  • Colon cancer
  • Colon polyps
  • Difficulty swallowing
  • Gastroesophageal Reflux Disease (GERD)
  • Inflammatory conditions such as Crohn’s Disease
  • Irritable Bowel Syndrome
  • Liver diseases

North Memorial is a leader in gastroenterology care, and has received frequent recognition by HealthGrades, the leading independent health care ratings company:

  • Ranked Among the Top 5% in the Nation for GI Medical Treatment for 6 Years in a Row (2008-2013)
  • Ranked Among the Top 10 in MN for GI Services for 7 Years in a Row (2007-2013) (Ranked 8 in 2013)
  • Ranked Among the Top 10 in MN for GI Medical Treatment for 7 Years in a Row (2007-2013) (Ranked 2 in 2013)
  • Five-Star Recipient for GI Medical Treatment for 6 Years in a Row (2008-2013)
  • Five-Star Recipient for Treatment of GI Bleed for 8 Years in a Row (2006-2013)
  • Five-Star Recipient for Treatment of Bowel Obstruction for 7 Years in a Row (2007-2013)

Our specialists have office hours for general and pre- and post-surgery consultations at North Memorial Clinic locations in Golden Valley, St. Anthony and Maple Grove. Procedures are performed at Maple Grove Ambulatory Surgery Center and at North Memorial Medical Center in Robbinsdale.

For patient convenience, all appointments, procedures and consultations can be initiated by calling 763-581-5600 and following the prompts.  Clinic hours are 8:30 a.m. – 4:00 p.m.

This service is available at the following locations:

North Memorial Clinic, Golden Valley

North Memorial Clinic, Golden Valley

8301 Golden Valley Road, Suite 100
Golden Valley, Minnesota
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North Memorial Clinic, Maple Grove

North Memorial Clinic, Maple Grove

9855 Hospital Drive, Suite 102B
Maple Grove, Minnesota
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North Memorial Clinic, Plymouth City Center

North Memorial Clinic, Plymouth City Center

15535 34th Ave. N.
Plymouth, Minnesota
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North Memorial Clinic, Silver Lake Clinic - St. Anthony

North Memorial Clinic, Silver Lake Clinic - St. Anthony

2600 39th Ave. N.E.
St. Anthony Village
St. Anthony, Minnesota
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