John M. Granger, MD

Infectious Diseases
Accepting new patients
Sees patients age 18 and up
LG Health Physicians Infectious Diseases
Penn Medicine Provider

About me

My education and training

  • Medical School: Medical College of Ohio
  • Residency: Christiana Care Health System
  • Fellowship: MD Anderson Cancer Center

Reviews

Average Rating

37 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
March 2026
very professional and personable
Anonymous
March 2026
treated well
Anonymous
March 2026
short interaction so didn't see full display of skill
Anonymous
February 2026
professional

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. Granger is a Penn Medicine Lancaster General Health physician.

Qualifications and experience

Treatments and Conditions