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).
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.
661 Reviews
Feb 2, 2026
Feb 1, 2026
Nobody wants a colonoscopy but It is a preventative necessity. Mid-Atlantic Endoscopy is a wonderful place for this necessary procedure. The staff is helpful, they answered all of my questions before, during and after. They were patient and gentle. I will return in 10 years!
Jan 31, 2026
Very good place to have a procedure performed. Doctor, nurses and staff performed well and made this easy for me. I liked the efficiency and the pricing was in line with what I expected.
Jan 30, 2026
Procedure went well and staff was very kind and thorough
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A U.S. News & World Report Best Ambulatory Surgery Center!
MidAtlantic Endoscopy – Harrisburg Pike has been named one of the Best Ambulatory Surgery Centers in the nation by U.S. News & World Report.
Very efficient. Nurses professional and competent