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
Headshot of Cathryn A. McWilliams, MD, FAAP
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

445 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
March 2026
she doesn't rush her appts. she talks to everyone in the room. she asks if we have any questions or concerns.
Anonymous
March 2026
knowledgeable and caring
Anonymous
February 2026
great pediatrician
Anonymous
February 2026
again she's really great

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