Diana M. Casallas, PA-C
Internal Medicine
Accepting new patients
Sees patients age 12 and up
Penn Primary Care Lansdale
Schedule onlineCall 215-368-1900
Penn Medicine Provider

About me

Education and training

  • Graduate School: Philadelphia College of Osteopathic Medicine

What my patients think about me

Average Rating

661 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.

January 2026
outstanding
January 2026
she did a good job
December 2025
diana is thorough, kind, and encouraging
December 2025
i haven't met such a caring helpful and compassionate person she is a amazing person

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Penn Presbyterian Medical Center: Advanced Practice Provider
Ms. Casallas is a Penn Medicine provider.

Qualifications and experience

Treatments and Conditions