Penn Medicine Provider
General Pediatrics
Cathryn A. McWilliams, MD, FAAP
4.9
(387)
Accepting new patients
Sees newborns through age 18
PennCare for Kids Limerick
View 1 additional location
Make an appointmentCall 610-495-2310

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
4.9

388 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.

August 2025
5.0
5.0
thorough
August 2025
5.0
5.0
she's very attentive and compassionate
August 2025
5.0
5.0
22 years seeing dr mcwilliams with our 3 children have always felt that she caring & helpful with each child and their individual needs
August 2025
5.0
5.0
answered all my questions, extremely patient and kind with my son, not pushy

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