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Dr. William Mark, MD is a Doctor primarily located in Paoli, PA, with another office in Phoenixville, PA. He has 44 years of experience. His specialties include Internal Medicine. Dr. Mark is affiliated with Bryn Mawr Hosp, Bryn Mawr, Pa and Paoli Memorial Hospital, Paoli, Pa. He speaks English.


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Specialties & Expertise

Dr. William Mark has the following 1 specialty and 1 board certification.

Internal Medicine

An internist is a physician who focuses on the diagnosis and treatment of conditions that affect the adult population—both acute and chronic.
These doctors are often who adults see as their primary physicians because they treat a broad range of illnesses that do not require surgical or specialist interventions. They also work to help a patient maintain optimal health in order to prevent the onset of disease.
In addition to treating the common cold and flu, internists also treat chronic diseases like diabetes and heart disease.

Board Certification

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Locations & Directions

255 W Lancaster Ave
Paoli, PA 19301

143 Church St
Phoenixville, PA 19460

Nearby Doctors

Dr. William Mark, MD is similar to these 3 Doctors near Paoli, PA.