Penn Medicine Provider
Internal Medicine
Mark L. Simmons, MD
5.0
(238)
Sees patients age 18 and up
LG Health Physicians Internal Medicine
Make an appointmentCall 717-544-3191

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

237 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.

August 2025
5.0
5.0
all great
July 2025
5.0
5.0
excellent doctor
July 2025
5.0
5.0
patient & care
July 2025
5.0
5.0
excellent doctor, very caring person.

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