About Us

Our mission is to provide the highest quality GI care available. We have the best trained specialists who travel across Wyoming to bring that care to a facility near you.

Dr. Raoul Joubran

Dr. Raoul Joubran

After graduating from UCLA with a double major in Biology and Psychology, Dr. Joubran attended Medical School at Wright State University, Dayton, Ohio. He then proceeded to pursue training in Internal Medicine in Indiana and Gastroenterology with advanced training in interventional pancreatic and biliary diseases in Louisville, KY. Dr. Joubran has published multiple peer reviewed articles and has given lectures at local, regional, and national levels. He has achieved quadruple board certifications in internal medicine, gastroenterology, geriatrics, and is the only Nutrition Board certified physician in the state . Dr. Joubran has clinics in most counties in Wyoming including, Natrona, Campbell, Sweetwater, and Sheridan counties. He is on the boards of multiple surgical centers and on the staff of multiple hospitals across Wyoming. He has strong interest in negotiating with insurance companies for a more efficient healthcare system to provide a more optimal, cost-effective, healthcare delivery system throughout Wyoming. Dr. Joubran has been in Wyoming for over 13 years. He is proud to be a citizen of a state where "a hand shake remains stronger than any written contract". He enjoys spending time with his 3 young children and exploring the outdoors. Dr. Joubran speaks 4 languages and enjoys world traveling. After visiting all continents of the world, he affirmatively repeats, "The more I travel, the more I realize how lucky we are to live here in Wyoming."

Dr. Kent Katz

Dr. Kent Katz

Dr. Kent D. Katz was born and raised in Twin Falls, Idaho, where he learned to ski, fish, hunt, and star gaze. He graduated Magna Cum Laude from the University of Utah, with a B.S. in Molecular Biology. He was in one of the earliest WWAMI classes and received an M.D. from the University of Washington. He completed an Internal Medicine Residency at the Mayo Clinic in Rochester, MN. He then completed a NIH sponsored research fellowship in cholesterol metabolism, before graduating from a Gastroenterology Fellowship with the University of California, Irvine. He was asked to remain with the University and joined the full time faculty, where he became an Associate Clinical Professor of Medicine. His areas of research included Crohn's disease, early detection and prevention of colon cancer, and endoscopic ultrasound. In 2000, Dr. Katz and his family left California and moved to Casper. While in Wyoming, he has continued his research efforts, and recently published an article in the American Journal of Gastroenterology on Celiac Disease in Wyoming.

Dr. Katz has given numerous scientific presentations to international meetings for the American Gastroenterological Association and the American Society of Gastrointestinal Endoscopy. He was also a main speaker at the 2004 annual meeting of the Celiac Sprue Association's national conference. He is a member and fellow of the American Gastroenterological Association, and a member of the American College of Gastroenterology, and the American Society of Gastrointestinal Endoscopy.

Dr. Katz is married to Carolyn Katz. They are the proud parents of two children, Ana and Adam, who are currently attending college; Adam at the University of Wyoming in Laramie (Go Pokes). During Dr. Katz's free time, he serves as an assistant scoutmaster for troop 235, serves on the Scout District Council, and attends church. He still tries to find time to fish, ski, scuba dive, star gaze, and travel to see family, national parks, and historic sites. One of the most amazing things he has seen is the 1994 annular solar eclipse in Indiana, and he looks forward to seeing the August 21, 2017 total solar eclipse, which will occur at noon, right over Casper. (He's already scheduled to take the day off.)

Dr. Phillip Krmpotich, M.D.

Dr. Phillip Krmpotich, M.D.

Phillip Krmpotich completed his undergraduate studies at the University of Wyoming in Laramie. He then received a degree in medicine at Creighton University in Omaha, Nebraska. While attending Creighton University he was elected into the medical honor society of Alpha Omega Alpha. He was also a member of the American College of Physicians. An internal medicine internship and residency at Oregon Health Sciences University in Portland, Oregon was completed in 1994. He then completed a fellowship in Gastroenterology at the University of Kansas Medical Center. He is an active associate member of the American Gastroenterological Association. Presently, he has a gastroenterology practice in Casper, Wyoming where he has been at Gastroenterology Associates since 1996. He is also the Medical Director at Sterling Surgical Center in Casper. As Wyoming native, Dr. Krmpotich and his family enjoy living in Casper and the beauty of nature that his home state has to offer.

Dr. Jonathan E. Parrack

Dr. Jonathan E. Parrack

Jonathan E. Parrack, DO attended Arizona State University, followed by the Arizona College of Osteopathic Medicine in his hometown of Glendale, AZ. He then completed a residency in Internal Medicine in Chicago, IL, where he served as chief resident and received the Resident of the Year award. After residency he moved to Las Vegas, NV to pursue training in Gastroenterology, where he was the chief fellow and also received the Fellow of the Year award. He is board certified in both internal Medicine and Gastroenterology. He is trained in advanced pancreaticobiliary procedures. After practicing in Prescott, AZ for nearly 4 years, he and his wife visited Wyoming and fell in love with the state and all of the beauty it has to offer., They enjoy fly fishing, bow hunting, skiing, hiking and anything out in nature especially with their 2 dogs. His wife, Blair is an artist and photographer who enjoys painting and capturing the stunning views and wildlife of Wyoming.

Dr. Chad J. Cooper, MHA

Dr. Chad J. Cooper, MHA

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Dr. Cooper received his medical degree from Cebu Doctors' University College of Medicine, in the Philippines in 2009. He completed his Internal Medicine Residency at Texas Tech University Health Sciences Center from 2012-2015 after doing a 1-year General Surgery Residency from 2011-2012. He completed his Gastroenterology Fellowship at University of Kentucky from 2015-2018, where he was also chief fellow. He subsequently pursued an additional 1-year advanced therapeutic endoscopic fellowship training at Maine Medical Center in Portland, Maine in affiliation with Tufts University. During his residency and fellowship training he was involved in multiple publications research articles. Other educational achievements include a Master of Health Administration at Seton Hall University and a PhD in Clinical and Translational Science at the University of Kentucky. Dr. Cooper is a gastroenterology and advanced endoscopist with specialized expertise in pancreatic and biliary diseases. In addition to general endoscopy procedures, he also performs a full range of advanced endoscopic procedures such as ERCP, cholangioscopy, pancreatoscopy, ampullectomy, electro-hydraulic lithotripsy, Endoscopic ultrasound (EUS) with or without fine needle aspiration and biopsy (FNA/FNB), celiac plexus block, pancreatic pseudocyst drainage, Barrett's esophagus treatment with radiofrequency ablation (RFA), endoscopic mucosal resection (EMR), enteral luminal stents and colonic polypectomy with EMR.

Dr. Julien Fahed

Dr. Julien Fahed

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After attending medical school at Saint Joseph University in Lebanon,
Dr Fahed completed his residency training in Internal Medicine at the University of Massachusetts Medical School. He then moved to the Midwest where he completed a fellowship in Gastroenterology at Aurora Health Care, the largest healthcare system in Wisconsin. Dr. Fahed specializes in all aspects of Gastroenterology and Endoscopy, including management of obesity, inflammatory bowel diseases, biliary diseases, esophageal diseases, hepatitis C and colon cancer screening. Dr. Fahed understands the importance of listening to patients and building a professional relationship based on trust. He also believes in bringing personal, social psychological and spiritual factors into the healing process.
Furthermore, he believes in the power of teamwork. After all, he is not the only physician in the familyâ€"all four of his siblings are physicians as well.

Dr. Fahed is the principal and co-author of many published manuscripts
and abstracts in leading international journals in the field of Gastroenterology and Endoscopy. As well, he is a principal author in several medical books, including Irwin and Rippe’s Intensive Care Medicine (8th Edition 2018), where he discussed the management of diarrhea in the Intensive Care Unit. He has been invited to present his research at international meetings on numerous occasions, including at Digestive Disease Week (DDW) and the American College of Gastroenterology (ACG). Most recently, he was invited to present his groundbreaking research on colon cancer screening in 20,000 patients at DDW 2019 in San Diego.>

When Dr. Fahed is not helping patients, he enjoys traveling, spendingtime with his family and sampling new and interesting cuisines. He also plays the guitar and piano.