Penn Medicine Provider
Internal Medicine
Mark L. Simmons, MD
5.0
(237)
Sees patients age 18 and up
LG Health Physicians Internal Medicine

About me

  • Regional Medical Director, Primary Care, Lancaster General Health Physicians

Education and training

  • Medical School: Pennsylvania State University College of Medicine
  • Residency: Fitzsimons Army Medical Center

What my patients think about me

Average Rating
5.0

240 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.

June 2025
5.0
5.0
he's excellent!
May 2025
5.0
5.0
clear, concise, understandable.
May 2025
5.0
5.0
keeps track of things and provides excellent advice.
May 2025
5.0
5.0
dr. simmons is thorough and gives great advice.

Insurance accepted

My Locations

Penn Medicine hospital privileges

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

Qualifications and experience

Treatments and Conditions