Penn Medicine Provider
Infectious Diseases
John M. Granger, MD
4.6
(43)
Accepting new patients
Sees patients age 18 and up
LG Health Physicians Infectious Diseases

About me

Education and training

  • Medical School: Medical College of Ohio
  • Residency: Christiana Care
  • Fellowship: University of Texas - MD Anderson Cancer Center

What my patients think about me

Average Rating
4.6

43 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.

April 2025
5.0
5.0
ability to articulate specific medical issues
April 2025
3.0
3.0
i don't know anyone who needs him.
April 2025
5.0
5.0
thoroughly explained what to expect during my healing.
April 2025
5.0
5.0
very friendly staff

Insurance accepted

My 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