MidAtlantic Gastrointestinal Center Named One of U.S. News & World Report’s Best!
MidAtlantic Gastrointestinal Center, Lancaster, PA, has been named one of the Best Ambulatory Surgery Centers in the nation by U.S. News & World Report.
Lancaster’s Leading GI Specialists Dedicated to Patient Care
The gastroenterologists and staff at MidAtlantic Endoscopy are dedicated to providing quality, affordable care to the greater Lancaster 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).
MidAtlantic Endoscopy is skilled in performing a myriad of digestive procedures, including colonoscopy, esophageal dilation, flexible sigmoidoscopy, upper endoscopy and small bowel enteroscopy.
With two convenient locations in Lancaster and Ephrata, we proudly serve the Lancaster, York and Hershey areas. Our new, state-of-the-art facility in Lancaster offers all the technology of a hospital in a comfortable, relaxed environment. The new center replaces two centers located within the Penn Medicine Lancaster General Health Suburban Out-Patient Pavilion with one convenient location, offering the same high quality of patient care in a new updated environment. We also have an Ephrata location at 4140 Oregon Pike.
For Your Visit
Our Lancaster gastroenterologists and staff at MidAtlantic Endoscopy 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 that you read and comply with all guidelines.
We’re pleased to announce our new partnership with StopColonCancerNow.com to help boost colon cancer screenings and prevention for residents in the area.
Patient Forms
At MidAtlantic Endoscopy, 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.
Insurance and Billing
MidAtlantic Endoscopy 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.
Artificial Intelligence
MidAtlantic Endoscopy has integrated state-of-the-art Artificial Intelligence (AI) technology to enhance the precision and effectiveness of our colonoscopy procedure. This AI system digitally analyzes real-time video feeds, assisting our gastroenterologists in identifying polyps.
Meet Our Physicians
View All Physicians
Paul D. Allegretti
D.O., FACG
John D. Betteridge
M.D.
Joseph Chapman
D.O.
Kaci Christian
M.D.
Daniel C. Connell Jr.
M.D.
Scott Douglas
M.D.
Christopher Evans
D.O.
Christopher P. Farrell
D.O.
T. Raymond Foley
M.D., AGAF
Justin J. Harberson
M.D.
J. David Horwhat
M.D., FACG, FASGE
Mark H. Johnston
M.D., FACG, AGAF, FACP
Ketan G. Kulkarni
M.D.
Mehul J. Lalani
M.D.
Ben G. Lazarus
D.O.
Andrew Lee
M.D.
Clifford T. Lomboy
M.D.
Melissa G. Morgan
D.O.
Rajesh Panchwagh
D.O., F.A.C.P.
Ameet N. Parikh
M.D.
Alison Platt
D.O.
Evan Shelby
M.D.
Christopher E. Shih
M.D., FACG
David M. Smith
M.D.
Dale Whitebloom
D.O.
Lisa Yoo
D.O.
1,054 Reviews
May 9, 2026
The process went well from start to finish upon entering the facility. Staff was pleasant and courteous and the doctors explained everything on a level I could understand.
May 8, 2026
Has a recent colonoscopy at Mid-Atlantic Endoscopy. Dr.Shih is a professional, great bedside manner, caring and knowledgeable. I felt very confident with him as my Dr. I was greeted by a nurse who took me into a room and asked some health questions, verifying who I was and what I was there for, etc. I changed and she made sure I was comfortable. Shortly after Dr. Shih came in to discuss the procedure, how I was feeling and did I have any questions. The nurse set up my IV line. Then the anesthesiologist came in to discuss and he answered all of my questions. I waited comfortably and a nurse came in to wheel me in to the OR (like an actual OR) they were ready for me, set me up, shortly thereafter, I was out. Woke up in the recovery room feeling perfect. All went well, had some juice and Graham crackers and they called my husband in. Dr. Shih came in to tell me initial results and I was feeling great and on my way! They called me the next day to see how I was feeling. Perfect experience. I would highly recommend. Everyone was kind, courteous and professional and premises were clean. The whole process was very efficient. I felt like I had the best care.
May 7, 2026
From start to finish, everybody was professional, quick and very knowledgeable of their job. They were extremely nice and friendly and they made me feel comfortable. They have an exceptional staff!
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