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
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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.
882 Reviews
Mar 16, 2026
Really wonderful people to work with. They will take great care of you. Highly recommended.
Mar 16, 2026
Very professional and caring. From the receptionist to the nurse, doctor, and anesthesiologists they are very caring and help you feel relaxed and comfortable. They make you feel like it's no big deal. They may have saved my life. I am very grateful for them.
Mar 16, 2026
Had a great experience as usual at this facility. The staff was great from the registration step all the way to my leaving. Lexie did a great job with the preparation stage, the anesthesiologist was very thorough and pleasant with her information and administration. Dr Morgan, as usual, is very professional, informative, and easy to talk with and get answers to any questions. Not my first time with this group and when the colonoscopy has to be done, I look forward to another visit here. Great facility.
Mar 16, 2026
Muy bien con las esplicaciones un personal muy atento me encuentro bien con todo
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