Charles M. Defendorf, DO
Internal Medicine
Accepting new patients
Sees patients age 18 and up
Penn Princeton Primary Care Monroe
View 1 additional location
Schedule onlineCall 609-395-2470
Penn Medicine Provider

About me

Education and training

  • Medical School: Rowan University
  • Residency: Palisades Medical Center
  • Residency: Bluefield Regional Medical Center

What my patients think about me

Average Rating

1014 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.

November 2025
he is very thorough
November 2025
very caring.
October 2025
friendly
October 2025
dr makes you feel comfortable

Insurance accepted

My Locations

Princeton Medicine Physicians - Family Medicine Monroe

Penn Medicine hospital privileges

  • Princeton Medical Center: On the medical staff, but does not have privileges to treat patients in the hospital.
Dr. Defendorf is a Penn Medicine physician. In New Jersey, providers are affiliated with Penn Medicine through Clinical Health Care Associates of New Jersey or Princeton Healthcare Affiliated Physicians, PC.

Qualifications and experience

Treatments and Conditions