Cathryn A. McWilliams, MD, FAAP
General Pediatrics
Accepting new patients
Sees newborns through age 18
PennCare for Kids Limerick
View 1 additional location
Make an appointmentCall 610-495-2310
Penn Medicine Provider

About me

Education and training

  • Medical School: Temple University School of Medicine
  • Residency: Walter Reed Military Medical Center

What my patients think about me

Average Rating

414 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.

October 2025
she feels like you're talking to family. helpful, kind and attentive
October 2025
quick and very easy to talk too
September 2025
very pleasant and patient
September 2025
really cares about what she does

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: On the medical staff, but does not have privileges to treat patients in the hospital.
Dr. McWilliams is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions