Providers



Physicians


About Us

Our mission is to deliver outstanding medical care to patients and provide superb service to the referring healthcare provider. Our commitment is to people. Patients will have access to the best medical services in a caring setting. Referring healthcare providers will receive excellent and timely service. Office staff will work in a supportive environment, where growth is encouraged – in the practice, in medical knowledge, and as individuals. By doing this, we will continue our reputation for excellence.

Samuel S. Gibson, M.D.

Samuel S. Gibson, M.D.

Dr. Gibson joined the Digestive Health Clinic in 1990. He is originally from South Dakota where he attended the University of South Dakota for both undergraduate training and medical school. He also completed one year of biochemistry research prior to medical school. His postgraduate training was obtained at Maricopa Medical Center in Phoenix, Arizona. This included three years of internal medicine residency and a two year fellowship in gastroenterology. In addition to his formal training, he worked two years as a staff physician in a trauma-emergency center. Dr. Gibson is board-certified in internal medicine and gastroenterology and a member of the American College of Gastroenterology.

Dr. Gibson is married and the father of four girls. He enjoys biking, skiing, and golfing. He is active in hospital committee work and community service.

Nic R. Cordum, M.D.

Nic R. Cordum, M.D.

Dr. Cordum joined the Digestive Health Clinic in 1996. He received his undergraduate education and medical school training at the University of Oklahoma, graduating with honors. His Internal Medicine residency was completed at the University of Minnesota, where he served as chief resident at the V.A. Medical Center. His gastroenterology training was at the University of Kansas. He is board-certified in internal medicine and gastroenterology. He is a member of the American Gastroenterological Association and the American Society for Gastrointestinal Endoscopy.

Dr. Cordum is married and the father of three children. His interests include hunting, fishing, and enjoying the outdoors.

Robb F. Gibson, M.D.

Robb F. Gibson, M.D.

Dr. Gibson joined the Digestive Health Clinic in 1999 after nine years of private practice in his home state of South Dakota. He attended the University of South Dakota for undergraduate training and medical school. He completed his residency and fellowship at the University of Utah in Salt Lake City. Dr. Gibson is board-certified in internal medicine and gastroenterology. He is a member of the American Society for Gastrointestinal Endoscopy and the American College of Gastroenterology.

Dr. Gibson is the father of four children. Leisure time activities include golf and skiing.

Stephen M. Schutz, M.D.

Stephen M. Schutz, M.D.

Dr. Schutz joined the Digestive Health Clinic in 2001 after 13 years in the Air Force. A native of New York, Dr. Schutz has lived in various places during his time in the military, including Ohio, North Carolina, Texas, and California. He graduated from Albany Medical College in 1988 before completing his internal medicine residency at Wright Patterson Medical Center in Dayton, Ohio. Dr. Schutz completed his gastroenterology fellowship at Duke University Medical Center, where he obtained additional training in advanced endoscopic therapy of the bile duct and pancreas. Dr. Schutz has published extensively in GI Literature, and is board-certified in gastroenterology. He is a fellow of the American College of Gastroenterology as well as a member of the American Society of Gastrointestinal Endoscopy. He is a past President of the Ada County Medical Society and former State Governor for the American College of Gastroenterology.

In his free time, Dr. Schutz enjoys spending time with his wife and their three boys. He also mountain bikes, skis, and writes a magazine column about automobiles.

Mark A. Mallory, M.D.

Mark A. Mallory, M.D.

Dr. Mallory was born and raised in Denver, Colorado, and joined the Digestive Health Clinic in 2003. He received his undergraduate education at Amherst College, graduating with a degree in English literature. He then completed medical school at Duke University School of Medicine in Durham, North Carolina, and his internship and residency at the University of Washington-School of Medicine in Seattle. Dr. Mallory completed his gastroenterology fellowship at the University of Washington-School of Medicine, where he obtained training in advanced therapeutic endoscopy. He is board-certified in gastroenterology. Dr. Mallory has published extensively in the gastroenterology literature, and is the current director of endoscopy at Saint Alphonsus Regional Medical Center. He is a fellow of the American College of Gastroenterology as well as a member of the American Society of Gastrointestinal Endoscopy, and the American Gastroenterological Association.

Dr. Mallory and his wife, a family practice physician, have two daughters. In his leisure time, he enjoys piano performance, golf, and tennis.

Christopher J. Goulet, M.D.

Christopher J. Goulet, M.D.

Dr. Goulet joined the Digestive Health Clinic in 2005. He grew up in San Antonio, Texas, and attended the University of Texas at Austin as an undergraduate. After graduating from the University of Texas-Southwestern Medical School at Dallas in 1999, he completed an Internal Medicine residency and Gastroenterology fellowship at the University of Utah in Salt Lake City. Dr. Goulet is board-certified in gastroenterology, and is active in education of medical students and residents.

Dr. Goulet and his wife are active in the community. They have two daughters and as a family enjoy hiking, biking, youth sports, skiing, and the outdoors.

Ashley T. Evans, M.D.

Ashley T. Evans, M.D.

Dr. Evans joined the Digestive Health Clinic in 2013. She is originally from Portland, Oregon. She received her undergraduate education at Santa Clara University in California. She graduated from Oregon Health & Science University School of Medicine and then completed both Internal Medicine Residency and Gastroenterology Fellowship in Seattle at the University of Washington. She has a special interest in Crohn’s Disease and Ulcerative Colitis and received additional training in Inflammatory Bowel Disease at the University of Chicago. Dr. Evans is Board Certified in Internal Medicine and Board Certified in Gastroenterology. She is a member of the American College of Gastroenterology, The American Gastroenterological Association, and the Crohn’s and Colitis Foundation of America.

Dr. Evans is married and has three children. She enjoys running, hiking, kayaking, and traveling.

Meghan T. Jankowski, M.D.

Meghan T. Jankowski, M.D.

Dr. Jankowski joined the Digestive Health Clinic in 2015. She grew up in Midland, Michigan, and received her undergraduate education at the University of Notre Dame. She completed medical school and internal medicine residency at the University of Michigan in Ann Arbor. Dr. Jankowski completed gastroenterology fellowship at the University of Colorado in Denver, where she served as a chief fellow. She is board certified in Internal Medicine and Gastroenterology, and is a member of the American College of Gastroenterology.

Dr. Jankowski is married with two children. She enjoys jogging and hiking.

Lauren Shea, M.D.

Lauren Shea, M.D.

Dr. Shea was born and raised in Atlanta, GA and joined Digestive Health Clinic in 2018. She received her undergraduate education at The University of Georgia. She subsequently graduated from Mercer University School of Medicine and then completed both her Internal Medicine Residency and Gastroenterology Fellowship in Atlanta at Emory School of Medicine. Dr. Shea is board-certified in gastroenterology and internal medicine and has a special interest in women’s GI issues.

In her free time, Dr. Shea enjoys spending time with her husband and border collie hiking throughout Idaho, skiing at Bogus Basin, and traveling near and far.

Bryan Brimhall, M.D.

Bryan Brimhall, M.D.

Dr. Brimhall joined the Digestive Health Clinic in 2019. He grew up in Provo, Utah and attended Brigham Young University as an undergraduate. After graduating from the University of Utah Medical School with honors, he completed an Internal Medicine residency and Gastroenterology fellowship at the University of Colorado where he served as both Chief Medical Resident and Chief Fellow. Dr. Brimhall did an additional year in advanced endoscopy at the University of North Carolina at Chapel Hill which included advanced endoscopic retrograde cholangiopancreatography (ERCP), endoscopic ultrasound (EUS), stent management, complex polyp removal and other specialized procedures. Dr. Brimhall is board-certified in both Internal Medicine and Gastroenterology, and is active in the education of medical students and residents. He has published extensively in the field of gastroenterology. He is a member of the American Society for Gastrointestinal Endoscopy and the American College of Gastroenterology.

Dr. Brimhall and his wife have three children and enjoy the outdoors, fishing, camping, skiing, and traveling to new places.

Edward Krajicek, M.D.

Dr. Krajicek joined Digestive Health Clinic in 2020. He was born and raised in Lincoln, NE where the majority of his free time was spent working on the family cattle farm. He attended Hastings College on a football scholarship where he majored in Biology. He graduated medical school from Creighton University in Omaha, Nebraska. He went on to complete his internal medicine residency at Mayo Clinic in Rochester, Minnesota and his gastroenterology fellowship at Indiana University. He is board certified in Internal Medicine and Gastroenterology. He is a member of the American Gastroenterology Association, the American College of Gastroenterology, and the American Society for Gastrointestinal Endoscopy.

Dr. Krajicek and his wife, a general dentist, have one daughter. He enjoys hiking, skiing, cooking, and traveling with his family.

Rebecca Osterkamp, M.D.

Dr. Osterkamp joined the Digestive Health Clinic in 2020. After undergraduate education at Bucknell University, she served three years in the Peace Corps in Mali. She returned to her home state of Connecticut where she attended medical school at the University of Connecticut followed by residency in Internal Medicine at Yale University. She moved to Seattle to complete her Gastroenterology fellowship at the University of Washington, where she served as chief fellow. She has a special interest in inflammatory bowel disease. She is passionate about caring for her patients as individuals and promoting health equity. Dr. Osterkamp is Board Certified in Internal Medicine and Gastroenterology. She is a member of the American Society for Gastrointestinal Endoscopy, the American College of Gastroenterology, American Gastroenterological Association and Crohn’s and Colitis Foundation.

Dr. Osterkamp moved to Boise with her husband, an Idaho native. She enjoys running, hiking, rollerblading, playing tennis and gardening.

J. Aaron Cook, MD

Dr. Cook joined the Digestive Health Clinic in 2020 after retiring from the U.S. Air Force. He is originally from Virginia, where he completed his undergraduate degree at the University of Virginia and his medical school training and Internal Medicine residency at Virginia Commonwealth University. His gastroenterology training was at Brooke Army Medical Center in San Antonio, Texas. He is also trained in flight medicine. He served in various clinical and leadership positions throughout his Air Force career and had multiple deployments in support of both combat missions and humanitarian efforts. Dr. Cook is board-certified in both internal medicine and gastroenterology. He is a member of the American Gastroenterological Association, American College of Gastroenterology, and the American Society for Gastrointestinal Endoscopy.

Dr. Cook is married and the father of two young children. Among his many interests are photography, culinary experiences, travel, and any outdoor activity with his family.


Advanced Practitioners


Nancy L’Heureux, D.N.P.

Nancy L’Heureux, D.N.P.

Nancy L’Heureux earned her Doctor of Nursing Practice at the University of Utah, her Bachelor of Science in Nursing at Idaho State University, and holds board certification through the American Academy of Nurse Practitioners. In addition, she holds Bachelor of Arts and Master of Arts degrees. She has lived in Boise since 1991, and joined Digestive Health Clinic after work in glycemic management, internal medicine, family medicine, urgent care, mental health, and psychometry.

Nancy is active in Nurse Practitioners of Idaho and volunteers in the community. Together with her husband, she enjoys outdoor activities including hiking and cross-country skiing. In quiet moments at home she enjoys reading and playing the piano.

Shaylan Pease, PA-C, MPH

Shaylan Pease, PA-C, MPH

Shaylan received her Bachelor of Science in Biology at Northern Arizona University and her Master of Public Health at the University of Arizona. She completed her Masters in Physician Assistant studies at University of Utah. She is board certified as a PA. She previously worked in orthopedic spine surgery before joining Digestive Health Clinic in 2018.

Shaylan is married and enjoys the outdoors with her husband including kayaking and bike riding in the summer and skiing in the winter.

Nick Ryser, PA-C, MPAS

Nicholas Ryser, PA-C, MPAS

Nicholas Ryser is a board certified PA having completed his Master of Science in Physician Assistant Studies program through Idaho State University. Prior to receiving his master’s, Nicholas earned his Bachelor of Science degree in Psychology through Brigham Young University. In the past, Nicholas spent 2 years working as an endoscopy technician for the Intermountain Medical Center in Murray, Utah as well as 2 years in Spain and a service trip to Guatemala for which he is fluent in Spanish. In addition, Nicholas completed his didactic year in Meridian, Idaho and his clinical rotations in Twin Falls, Idaho before joining DHC in 2020.

Nicholas is originally from Holladay, Utah. He is married and has one child. He enjoys spending his time with family, playing board games, racquet sports, jogging and reading.

Samantha Goodrich, PA-C, MPAS

Samantha Goodrich, PA-C, MPAS

Samantha joined DHC in 2021. She received her Bachelor of Science in Health Sciences at Boise State University. She completed her Master of Science in Physician Assistant studies at Sullivan University in Louisville, Kentucky and from there she became board certified as a PA. She has personally struggled with dietary issues throughout her life which has given her the passion to treat patients in gastroenterology. She was born and raised in Boise, Idaho.

Samantha is passionate about health and fitness and loves to workout. She spends as much time as she can with her family and traveling in any form. She also enjoys water skiing, camping, and hiking during the summers.