menubarKalispell Regional Healthcare

Kalispell Regional Healthcare

Medical Staff Directory

Medical Staff Directory
HomeMedical Staff DirectoryNicholas Costrini, MD, PhD, MBA

Nicholas Costrini, MD, PhD, MBA

Nicholas Costrini, MD, PhD, MBA


Gastroenterologist Nicholas Costrini, MD, PhD, MBA, serves as the program director of the Digestive Health Institute of Montana. Dr. Costrini earned his PhD in physiology from Marquette University in Milwaukee, Wisconsin, and then completed medical school at the Medical College of Wisconsin. He did his residency at Barnes Hospital in St. Louis, Missouri, through the Washington University School of Medicine. He accepted a fellowship in gastroenterology with that institution and followed with a year as chief resident in medicine. He stayed with Washington University as a postdoctoral fellow in biological chemistry and gastrointestinal medicine. He returned to the Medical College of Wisconsin as faculty for several years. He then moved to Savannah, Georgia, where he had a private practice for 25 years. Before coming to Kalispell, Dr. Costrini directed the Georgia Gastroenterology Group, PC, the largest solo gastrointestinal practice in the South, and was the director of gastroenterology for the Nancy and JC Lewis Cancer and Research Pavilion in Savannah. His specialized skills in inflammatory bowel disease, gastrointestinal cancer care and several disciplines of advanced endoscopy have contributed to his high level of care for patients across the spectrum.


American Board of Internal Medicine
American Board of Internal Medicine/Gastroenterology


Barnes Hospital, University of University School of Medicine - Gastroenterology Fellowship


Barnes Hospital, University of University School of Medicine

Medical School

The Medical College of Wisconsin


Kalispell Gastroenterology
75 Claremont Street, Suite F
Kalispell, MT 59901
p: (406) 752-7441

Hospital Privileges

Kalispell Regional Medical Center
The HealthCenter
North Valley Hospital

Financial Assistance

This provider subscribes to the Kalispell Regional Healthcare Financial Assistance Program.