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Mary A Machala Williams is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

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Education & Training

  • Wilmington University
    Wilmington UniversityDoctorate, 2016 - 2018
  • University of Texas at Arlington
    University of Texas at ArlingtonMasters, 1997 - 2001

Professional Memberships

  • Office

    3400 Spruce St
    Penn Transplant Institute
    Philadelphia, PA 19104
    Phone+1 215-614-4280