Matthew C. Brennan, MD
Hematology, Medical Oncology
Accepting new patients
Sees patients age 18 and up
LG Health Physicians Hematology and Medical Oncology
Make an appointmentCall 717-544-9400
Headshot of Matthew C. Brennan, MD
Penn Medicine Provider

About me

Education and training

  • Medical School: Pennsylvania State University College of Medicine
  • Residency: Thomas Jefferson University Hospital
  • Fellowship: Penn State Milton S. Hershey Medical Center

What my patients think about me

Average Rating

225 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
March 2026
dr brennan is extremely knowledgeable and very positive.
Anonymous
February 2026
dr brennan has vast knowledge
Anonymous
February 2026
pleased with Dr. Brennan
Anonymous
February 2026
relaxed atmosphere when all you have is questions and worries

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Lancaster General Hospital: Has privileges to treat patients in the hospital.
Dr. Brennan is a Penn Medicine Lancaster General Health physician.

Qualifications and experience

Treatments and Conditions