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

Spoken languages

English
English

Reviews

Average Rating

47 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
July 2026
good doc.
Anonymous
July 2026
he took time to talk with me and i didn't feel rushed.
Anonymous
July 2026
he is very good for what he does
Anonymous
June 2026
i believe dr. granger provides knowledgable, compassionate care.

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