Diana M. Casallas, PA-C
Internal Medicine
Accepting new patients
Sees patients age 12 and up
Penn Primary Care Lansdale
Headshot of Diana M. Casallas, PA-C
Penn Medicine Provider

About me

Education and training

  • Graduate School: Philadelphia College of Osteopathic Medicine

What my patients think about me

Average Rating

771 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
April 2026
diana was knowledgeable and willing to respond to questions about how to help with changes in bloodwork, as one example.
Anonymous
April 2026
Dr.Casallas is so awesome!@
Anonymous
April 2026
i felt sincere concern to my medical issues and diana gave excellent advice.
Anonymous
April 2026
always a great experience when i go there.

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