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

629 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.

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
December 2025
i'm very satisfied with her care. in my opinion she goes above and beyond traditional primary care.
December 2025
provider answered every question and added insight to my issues. a very good appointment.

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