Cathryn A. McWilliams, MD, FAAP

General Pediatrics
Accepting new patients
Sees newborns through age 18
PennCare for Kids Limerick
View 1 additional location
Headshot of Cathryn A. McWilliams, MD, FAAP
Penn Medicine Provider

About me

My education and training

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

Spoken languages

English
English

Reviews

Average Rating

459 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
June 2026
always thorough with her annual checks
Anonymous
June 2026
kind, considerate, on time.
Anonymous
May 2026
the doctor spent time talking to the kids and thoroughly going through everything
Anonymous
May 2026
we tell everyone how much we love dr mcwilliams

Insurance accepted

Please contact the practice and/or the member services department of your insurance company for specific details before receiving services. Providers may participate in some, but not all, products offered by a health plan; providers may also accept plans at some practice locations but not others.

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