Welcome to Saddleback Medical Group, Inc. - Gastroenterology
Laguna Hills, Orange County, California's Premier Provider of Gastroenterology Care
Saddleback Medical Group's GI associates are Laguna Hills, California's premier providers of gastroenterology care. Your digestive health is important and when it comes to your healthcare, only the very best will do. Our five Board-Certified fellowship-trained Gastroenterologists are also Internal Medicine physicians with specialization in the areas of digestive diseases, liver disease, and cancer. At Saddleback Medical Group, we perform the latest in state-of-the-art procedures and advanced non-invasive tests, such as the GI Pill Cam, Upper GI Endoscopy, Colonoscopy, and Endoscopic Retrograde Choliangiopancreatography (ERCP).
Together, the combined talents of Dr. J. Michael Trenbeath, Dr. Barry Donner, Dr. David Hatoff, Dr. Kevin Ashby, and Dr. Benjamin Weinberg merge to offer high-quality diagnosis and treatment of the entire digestive system, providing patient-first compassionate care. Call (949) 770-7163 or request an appointment online. We are able to respond to urgent medical needs the same day.
*WE HAVE A NEW ADDRESS!*
We are excited to announce that Saddleback Medical Group - Gastroenterology has moved to our new offices! Our new address is: 24221 Calle de la Louisa, Suite 300, Third Floor, Laguna Hills, CA 92653. We have moved just next door to our current building to the Citibank® building on the corner. Please click on the map link on the Contact Us page for directions. Our office phone number will remain the same - 949.770.7163. We look forward to seeing you in our new location!

Welcome to Saddleback Medical Group, Inc. - Gastroenterology
Laguna Hills, Orange County, California's Premier Provider of Gastroenterology Care
Saddleback Medical Group's GI associates are Laguna Hills, California's premier providers of gastroenterology care. Your digestive health is important and when it comes to your healthcare, only the very best will do. Our five Board-Certified fellowship-trained Gastroenterologists are also Internal Medicine physicians with specialization in the areas of digestive diseases, liver disease, and cancer. At Saddleback Medical Group, we perform the latest in state-of-the-art procedures and advanced non-invasive tests, such as the GI Pill Cam, Upper GI Endoscopy, Colonoscopy, and Endoscopic Retrograde Choliangiopancreatography (ERCP).
Together, the combined talents of Dr. J. Michael Trenbeath, Dr. Barry Donner, Dr. David Hatoff, Dr. Kevin Ashby, and Dr. Benjamin Weinberg merge to offer high-quality diagnosis and treatment of the entire digestive system, providing patient-first compassionate care. Call (949) 770-7163 or request an appointment online. We are able to respond to urgent medical needs the same day.
*WE HAVE A NEW ADDRESS!*
We are excited to announce that Saddleback Medical Group - Gastroenterology has moved to our new offices! Our new address is: 24221 Calle de la Louisa, Suite 300, Third Floor, Laguna Hills, CA 92653. We have moved just next door to our current building to the Citibank® building on the corner. Please click on the map link on the Contact Us page for directions. Our office phone number will remain the same - 949.770.7163. We look forward to seeing you in our new location!
