Mark L. Simmons, MD

Internal Medicine
Sees patients age 18 and up
LG Health Physicians Internal Medicine
Make an appointmentCall 717-544-3191
Penn Medicine Provider

About me

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

My education and training

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

Spoken languages

English
English

Reviews

Average Rating

247 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
July 2026
best pcp
Anonymous
July 2026
very caring and takes time to explain everything.
Anonymous
July 2026
dr. simmons knows us as people as well as patients. his wisdom and care have helped my husband and i for many years.
Anonymous
July 2026
he thorough and a good listener.

Insurance accepted

Please contact the practice and/or the member services department of your insurance company for specific details before receiving services. Providers may participate in some, but not all, products offered by a health plan; providers may also accept plans at some practice locations but not others.

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