The gastroenterologists and staff at MGA Gastrointestinal Diagnostic and Therapeutic Center are dedicated to providing quality, affordable care to the greater New Orleans community in our quest to lower colon cancer rates and treat an array of digestive diseases, including Crohn’s Disease, irritable bowel syndrome (IBS) and gastroesophageal reflux disease (GERD).
MGA Gastrointestinal Diagnostic and Therapeutic Center is skilled in performing a myriad of digestive procedures, including colonoscopy, esophageal dilation, flexible sigmoidoscopy, upper endoscopy and small bowel enteroscopy.
Our New Orleans gastroenterologists and staff at MGA Gastrointestinal Diagnostic and Therapeutic Center are committed to ensuring your experience with us is relaxed and worry-free, from your first office visit through your post-procedure follow-up. To assist us, we ask you read and comply with all guidelines.
We’re pleased to announce our partnership with StopColonCancerNow.com to help boost colon cancer screenings and prevention for residents in the Greater New Orleans area.
At MGA Gastrointestinal Diagnostic and Therapeutic Center, your time is as valuable to us as it is to you. Upon scheduling your surgery, a member of our staff will provide you with the required forms to fill out.
MGA Gastrointestinal Diagnostic and Therapeutic Center accepts most major insurance. As a courtesy to you, we will bill your insurance carrier; however, we cannot tell you what your policy will cover.
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Richard Awtrey
M.D.
Howard I. Brenner
M.D.
Kirk Campbell
M.D.
Vernon J. Carriere Jr.
M.D.
George E. Catinis
M.D.
Julie C. Guider
M.D.
Brett Hymel
M.D.
Abdul M. Khan
M.D.
Rebekah (Becky) H. Lemann
M.D.
James D. Lilly
M.D.
Mark J. Marino
M.D.
Herbert K. Mayer
M.D.
Scott D. Pollack
M.D.
G. Richard Puente
M.D.
Sanjeeva T. Reddy
M.D.
Gary (Taavi) Reiss
M.D.
Charles G. Schibler, II
M.D.
David R. Silvers
M.D.
Mark J. Wegmann
M.D.
The procedure that I had was very nice the staff was awesome so I thank the staff and of course the Dr Polleck
Very pleasant and friendly staff made me feel comfortable for my procedure
Everyone at the clinic were extremely competent and so very compassionate. They were very friendly and comforting. The anesthesiologist and his assistant explained the process. I felt secure in the hands of Dr. Hymel and the nurses.
MGA Gastrointestinal Diagnostic and Therapeutic Center and MGA Gastrointestinal Diagnostic and Therapeutic Center – Metairie have been named one of the Best Ambulatory Surgery Centers in the nation by U.S. News & World Report.
MGA Gastrointestinal Diagnostic and Therapeutic Center selected for Newsweek’s 2026 list of America’s Best Ambulatory Surgery Centers.
Discover how one patient found answers for chronic digestive issues at an ambulatory surgery center (ASC).
Everyone was professional Mostly I took a good nap. I got coffee down stairs and was home for breakfast. Quick and easy