About Dr. Lally

Margaret S. Lally M.D. is an American Board of Dermatology certified dermatologist in private practice since 1989.


Born in Sharon, PA and attended the University of Notre Dame (1977-81). She completed her education at the University of Pittsburgh Medical School (1981-85).


A residency in dermatology was completed at the University of Pittsburgh/UPMC health system in 1985. Her focus is on general pediatric and adult dermatology which includes full body exams for skin cancers , moles, rashes, acne, hair/nail problems and surgical removal of cancers/moles.


She is a member of DermatolgistOnCall.com, a web based virtual office visit that enables you to be seen virtually within 72 hours of your log on visit. (click below icon) Insurances accepted: Medicare and most private insurers.

Dr. Lally has been a member of UMPC St. Margaret medical staff since 1990. She volunteers with their family practice residency program educating residents who rotate through her office. She has been named one of Pittsburgh’s Top Docs on 3 occasions.


Dr. Lally is married to John Marous and a proud mother of 6 children: Carlie, Jack, Molly, Kelly, Dan and Andy. She lives with her family in Fox Chapel. When not working she enjoys all aspects of family life. She also finds pleasure in maintaining good physical and mental health with regular exercise, cooking in healthy ways and vegetable gardening.


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Everything went well. Office staff is very friendly!

Leslie M.

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Very courteous and professional.

Stephen G.

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Efficient and thorough.

Eileen M.

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Great and on time.

Jeff K.