John O. Allen, MD

Family Medicine
Accepting new patients
Sees patients of all ages
LG Health Physicians Family Medicine Strasburg
Penn Medicine Provider

About me

My education and training

  • Medical School: University of North Carolina Hospitals
  • Residency: Lancaster General Hospital

Reviews

Average Rating

238 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

Anonymous
May 2026
i trust dr. allen.
Anonymous
April 2026
very knowledgeable and personal. he wants to help me, not in it just for the paycheck.
Anonymous
April 2026
visit met all my expectations.
Anonymous
April 2026
he offers options based on his experiences with other patients and himself.

Insurance accepted

Please contact the practice and/or the member services department of your insurance company for specific details before receiving services. Providers may participate in some, but not all, products offered by a health plan; providers may also accept plans at some practice locations but not others.

Locations

Penn Medicine hospital privileges

  • Lancaster General Hospital: Has privileges to treat patients in the hospital.
Dr. Allen is a Penn Medicine Lancaster General Health physician.

Qualifications and experience

Treatments and Conditions