Patient Finds Answers Through Timely GI Evaluation at ASC
Discover how one patient found answers for chronic digestive issues at an ambulatory surgery center (ASC).
Hanover’s Best GI Doctors
Our gastroenterologists and staff at Hanover Endoscopy Center are dedicated to providing quality, affordable care to the 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).
We believe in compassionate medicine, where patients feel reassured and unrushed. We hold ourselves to the highest of standards, and our center is accredited by the Accreditation Association for Ambulatory Health Care (AAAHC).
Our board-certified GI doctors specialize in performing a myriad of GI procedures, including colonoscopy, esophageal dilation, flexible sigmoidoscopy, upper endoscopy and small bowel enteroscopy.
If you are due for a colonoscopy or in need of a GI procedure, don’t put it off any longer. Give us a call today!
For Your Visit
Hanover Endoscopy Center is committed to ensuring that your experience with us is relaxed and worry-free, from consultation through recovery. To assist us, we ask that you read and comply with all guidelines.
We’re pleased to partner with StopColonCancerNow.com to help boost colon cancer screenings and prevention for residents in Hanover.
Patient Forms
At Hanover Endoscopy Center, your time is as valuable to us as it is to you. That’s why we provide online access to a variety of forms that patients may complete before their visit. The following documents will help us expedite the check-in process for your appointment. Please take a moment to download and print the appropriate form(s).
Insurance and Billing
Hanover Endoscopy Center accepts most major insurance. We will bill your insurance carrier for you; however, we cannot tell you what your policy will cover. Since your insurance policy and coverage is between you and your carrier, we urge you to contact them prior to your procedure. You will be responsible for any co-pays and deductibles.
Meet Our Physicians
View All Physicians
Matthew P. Askin
M.D.
Darren R. Blumberg
M.D.
John M. Dalena
M.D.
Kevin Elaahi
M.D.
Benjamin Kim
M.D.
Kelly A. Krueger
M.D.
John D. Morton
M.D.
David Pineles
M.D.
David Rahni
M.D.
Ellen J. Rosen
M.D.
Lawrence S. Rosenthal
M.D.
Robert W. Schuman
M.D.
Larry Siu
M.D.
Nicholas Tarangelo
M.D.
Carl B. Wallach
M.D., Medical Director
1,668 Reviews
Feb 2, 2026
Feb 1, 2026
Everyone is so friendly from the minute you walk into the door. Dr. Siu is amazing and is so knowledgeable, thank you Dr. Siu!
Jan 31, 2026
Everyone was excellent from the minute you walk in to the minute you leave
Jan 30, 2026
Everyone is wonderful: the staff, the nurses, Mr. Anesthesiologist who puts you to sleep and wakes you up as if nothing happened. And of course Dr. Wallach is friendly and compassionate and I know I'm in the best hands. Many thanks. Ken Fink
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Staff was very friendly but professional Made u feel.relaxed and care for you was above and beyond