Our Center Selected for Newsweek’s 2026 Best ASCs List
Our center was selected for Newsweek’s 2026 list of America’s Best Ambulatory Surgery Centers.
Eatontown’s Best GI Doctors
Our gastroenterologists and staff at Advanced Endoscopy & Surgical Center, LLC 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, as our center is accredited by the Accreditation Association for Ambulatory Health Care (AAAHC).
Our board-certified GI doctors specialize in 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
Advanced Endoscopy & Surgical Center, LLC 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 the Monmouth County area.
Patient Forms
At Advanced Endoscopy & Surgical Center, LLC, 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 you may complete before your 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
Advanced Endoscopy & Surgical Center, LLC accepts most major insurance. We will bill your insurance carrier; however, we cannot tell you what your policy will cover. Since your insurance policy and coverage are 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
Thomas Fiest (Emeritus)
D.O.
Eric Abrams
D.P.M.
Nadeem Baig
M.D.
William Basri
M.D., FACG
Kenneth Belitsis
M.D.
Gagan Beri
M.D.
Mark Cerefice
M.D.
Steven Gorcey
M.D.
Thaddeus Grabowy
M.D.
Howard Guss
D.O.
Kenny Hui
M.D.
Ginette N. Illuzzi
DPM
Dharmesh H. Kaswala
M.D.
Andrew Kruger
D.O.
Lawrence Menditto
D.P.M.
Laleh Merikhi
M.D.
Evan Orosz
D.O.
Garen Ream
D.P.M.
Scott Schlachter
D.O., FACG
Shefali Shah
M.D.
Sandhya Shukla
M.D.
Matthew Tangorra
D.O., FACG
Rajiv Uppal
M.D.
Vinay Yalamanchi
D.O.
1,911 Reviews
Jan 31, 2026
Everything went smooth and according to plan. Wait was minimal and the staff were friendly and helpful. Keep up the good work.
Jan 31, 2026
Everyone is very professional and understanding 💕❤️💕
Recent Posts
Busy Life? Consider Direct Access Colonoscopy
Career, family and the nonstop pace of life demands your full attention. Direct Access Colonoscopy is a simple and convenient way to schedule your colon cancer screening.
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).