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-Virtua School of Osteopathic Medicine
  • Residency: Hackensack University Medical Center

What my patients think about me

Average Rating

1054 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.

January 2026
very nice and caring
December 2025
he is a great doctor
December 2025
he is an excellent listener and diagnostician
December 2025
great demeanor and friendly.

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