Penn Medicine Provider
General Pediatrics
Cathryn A. McWilliams, MD, FAAP
4.9
(362)
Accepting new patients
Sees newborns through age 18
PennCare for Kids Phoenixville
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

362 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.

May 2025
5.0
5.0
attention to details
April 2025
5.0
5.0
dr. cathryn mcwilliams was gentle and i felt safe with her evaluating my son!
April 2025
5.0
5.0
she has consistently been an informative and empathetic provider
April 2025
5.0
5.0
good experience

Insurance accepted

My Locations

Learn about location
Learn about location

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