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

Education and training

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

What my patients think about me

Average Rating

215 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.

February 2026
perfect
February 2026
great all around
January 2026
he's a great doctor
January 2026
overall a good experience

Insurance accepted

My 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