John Witte, MD

Dr. Witte received his medical degree from St. Louis University School of Medicine and completed an internal medicine residency and gastroenterology fellowship at the University of Wisconsin in 1989. He has been practicing gastroenterology in Boise since 1989. He and his wife Melody have three children. Dr. Witte enjoys spending time with his family, tennis, hiking and cycling in his spare time.

Brian Story, MD

Dr Story is a native of Montana where he received his undergraduate degree from Montana State University in Bozeman. He then completed medical school at the University of Washington and a medical internship at the Boise VA hospital. He continued his internal medicine residency training at Virginia Mason Medical Center in Seattle, WA and completed his gastroenterology fellowship at the University of New Mexico in Albuquerque. He joined Idaho Gastroenterology Associates in the summer of 2013 and is excited to provide quality gastroenterology care to the people of the Treasure Valley. He enjoys cycling, hiking, golf, and spending time with his family.

Mark Lloyd, MD

Dr. Lloyd received his medical degree from the Medical College of Ohio and completed an internal medicine residency at the Ohio State University. He went to the University of Wisconsin to complete his fellowships in gastroenterology and nutrition. He remained on the faculty at the University of Wisconsin, where he was active in research and served as an associate professor of medicine and director of the Gastroenterology Training Program, through 1996. Dr. Lloyd enjoys music, hiking and exploring Idaho with his wife Pat. They have one child.

Paul Baehr, MD

Dr. Baehr received his medical degree from the University of Illinois and completed an internal medicine residency at the University of Michigan. He went to the University of Washington for his gastroenterology fellowship which he completed in 1994. Dr. Baehr came to Boise in 1994 as staff gastroenterologist at the Boise Veterans Hospital. He joined IGA in 1999. He and his wife Margie have two children. His hobbies include sailing and skiing.

Dave Wood, MD

Dr. Wood received his medical degree from the University of Cincinnati College of Medicine and completed an internal medicine residency at the University of Wisconsin. He went to the University of Wisconsin and completed his gastroenterology fellowship in 1999. He joined IGA in 1999. Dr. Wood is an avid skier, and enjoys cycling, hiking, and spending time with his wife and daughter.

Ellen Hunter, MD

Dr. Hunter received her medical degree from Georgetown University in Washington, D.C. and completed an internal medicine residency at Vanderbilt University Medical Center in Nashville, Tennessee. She went to the Mayo Clinic in Rochester, Minnesota for her gastroenterology fellowship. From 1989 to 2000 she was on faculty as an assistant professor of medicine and surgery at Vanderbilt University Medical Center where she participated in clinical research studies. She joined IGA in 2001. Her area of interest is liver disease including viral hepatitis and liver transplantation. She enjoys spending time with her husband and two sons.

Phil Jensen, MD

Dr. Jensen received his medical degree from Texas Tech University in 1988. He completed his residency in Internal Medicine and Gastroenterology fellowship at the University of California, Davis. He was in private practice in Walla Walla, Washington from 1995 until 2003, when he joined Idaho Gastroenterology. He and his wife, Diane have 3 children. Dr. Jensen enjoys classical music, hiking, and ice hockey.

Bonnie Kim Waite, MD

Dr. Waite received her medical degree from the University of Washington and completed an internal medicine residency at Internal Medicine, Spokane in 2000. She joined Idaho Gastroenterology Associates in the fall of 2003, after finishing a gastroenterology and hepatology fellowship at the University of Wisconsin. Dr. Waite enjoys skiing, reading, and hiking with her husband, son and her dogs.

Matt Sericati, MD

Dr Sericati received his medical degree from Medical College of Wisconsin and completed an internal medicine residency at the University of Colorado-Denver. He joined Idaho Gastroenterology Associates in the fall of 2009 after completing his gastroenterology fellowship at the University of Colorado-Denver. He and his wife Stacy have two boys. His hobbies include skiing, biking, golfing, softball and flying.

Christopher Hammerle, MD

Dr. Hammerle is a native of California and received his Bachelor’s Degree in Biology from the University of California, Irvine. He then completed medical school at Saint Louis University and did his internal medicine internship and residency at the University of Colorado. After residency, he remained on faculty as Associate Professor of Medicine before moving to Charlottesville to complete a Gastroenterology and Hepatology fellowship at the University of Virginia. Last year Dr. Hammerle received advanced training in Interventional Endoscopy and Endoscopic Ultrasound at Cedars-Sinai Medical Center in Los Angeles, where he was also involved in clinical research. He and his family arrived in Boise in the summer of 2012, and he is the newest physician to join IGA. In his spare time, he enjoys cooking for his family and friends, flying airplanes, and fly fishing.

Akshay Gupta, MD

Dr Gupta completed his medical school from the All India Institute of Medical Sciences (AIIMS) New Delhi, India. He did his internal medicine residency at the University of Pittsburgh, Pittsburgh, PA. He then went on to complete a Gastroenterology and Hepatology Fellowship at the University of Michigan, Ann Arbor, MI. He received additional training in interventional endoscopy, ERCP and endoscopic ultrasound at the Moffitt Cancer Center in Tampa, FL. He was in private practice for a year in Wichita, KS, before moving to Boise in 2013 and joined IGA. In his spare time, he enjoys skiing, running, and traveling. He is married to Dr. Neetu Talreja, an Allergy Immunology physician practicing the the valley.

Gina Hyde, NP-C

Ms. Hyde received her Bachelor of Science in Nursing from Idaho State University, as well as her Master of Science in Nursing. She also holds a certification with the American Academy of Nurse Practitioners in Family Practice. Prior to working in gastroenterology, she worked in pancreatic disease and surgery. Before becoming a nurse practitioner she worked as a surgical nurse. In her spare time she enjoys cooking, gardening, yoga, the gym, and spending time with her two dogs.

Heather Stolworthy, NP-C

Heather recently relocated to the Boise area in September of 2012 from Idaho Falls, Idaho where she lived for over 20 years.  While attending Idaho State University, she obtained her Bachelor’s of Nursing in 1993 and her Master of Public Health in 2002 before completing her Master in Nursing in 2003. She is a certified Family Nurse Practitioner with the AANP.  Her experience as an NP is primarily in gastroenterology, however, she has also worked in cardiology, family practice and urgent care.  She enjoys hiking, snowshoeing, weight lifting and gardening. She has two grown sons and lives with her cat, Oscar.

Laura Hartwig, NP-C

Laura received her Bachelor of Science in Nursing from Boise State University and Master of Science in Nursing from Idaho State University. She worked in sleep and neurology prior to joining Idaho Gastroenterology Associates in the fall of 2012. She is certified with the American Academy of Nurse Practitioners in Family Practice. She and her husband have eight adult children and eight grandchildren. She enjoys playing the piano and swimming.

Cory Shuler, NP-C

Cory holds a Bachelor of Science in Nursing and Bachelor Arts in Psychology. His nursing background has been in critical care. He joined Idaho Gastroenterology in 2013 upon completion of his Masters of Science in Nursing from Idaho State University. He is certified with the American Academy of Nurse Practitioners in Family Practice. He and his wife have two children. He is an avid whitewater kayaker but also enjoys mountain biking, skiing during the winter months, and photography.

Renee Wilson, PA-C

Renee received her Master’s Degree in Physician Assistant Studies from the Arizona School of Health Sciences in Mesa, AZ, in 2004. She returned to Boise and spent 8 years in family practice and women’s health before joining Idaho Gastroenterology Associates in the summer of 2013. Renee and her husband have 4 children, including twins. She enjoys spending time with her family in the outdoors, traveling, camping, hiking, gardening, and cooking.


425 W Bannock
Boise ID 83702
208.343.6458
M-F 8am-5pm
2235 E Gala
Meridian ID 83642
208.887.3724
M-F 8am-5pm
  John Witte, MD
Mark Lloyd, MD
Paul Baehr, MD
Philip Jensen, MD
Ellen Hunter, MD
Bonnie Kim Waite, MD
Dave Wood, MD
Matthew Sericati, MD
Christopher Hammerle, MD
Brian Story, MD
Akshay Gupta, MD
Regina Hyde, NP-C
Cory Shuler, NP-C
Heather Stolworthy, NP-C
Laura Hartwig, NP-C
Renee Wilson, PA-C
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