Gastroenterology

763-581-5600

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


Board-certified Gastroenterology Providers

Thomas Koenig, MD

Greg Mevissen, MD

Hashim Nemat, MD

Pete Pooler, MD

Jerrold Stempel, MD

Michelle Douvier, PA-C

Michelle Douvier, PA-C

Jessica Grosser, PA-C

Sara Grosser, PA-C

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.

Patient Resources

Gastronterology consultation appointments are available at the following locations:

North Memorial Clinic – Golden Valley

North Memorial Clinic – Golden Valley

8301 Golden Valley Road, Suite 100
Golden Valley, Minnesota
Get Directions
763-581-5150
North Memorial Clinic – Maple Grove

North Memorial Clinic – Maple Grove

9855 Hospital Drive, Suite 102B
Maple Grove, Minnesota
Get Directions 763-581-5900
North Memorial Clinic - Minnetonka

North Memorial Clinic - Minnetonka

15450 Highway 7
Suite 100
Minnetonka, Minnesota
Get Directions 763-581-8900
North Memorial Clinic – Plymouth City Center

North Memorial Clinic – Plymouth City Center

15535 34th Ave. N.
Suite 100
Plymouth, Minnesota
Get Directions
763-581-5950
St. Anthony Clinic

St. Anthony Clinic

2600 39th Ave. N.E.
St. Anthony Village
St. Anthony, Minnesota
Get Directions
763-581-5500