Skip to main content
William Marzullo, MD, Family Medicine, Agana, GU

WilliamGregMarzulloMD

Family Medicine Agana, GU

VA Guam Community Based Outpatient Care

Dr. Marzullo 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.

See Dr. Marzullo's full profile

Already have an account?

  • Office

    VA Guam
    498 Chalan Palasyo
    Agana, GU 96910

Education & Training

  • Penn State Milton S Hershey Medical Center/Hershey
    Penn State Milton S Hershey Medical Center/HersheyResidency, Family Medicine, 2000 - 2002
  • William Beaumont Army Medical Center
    William Beaumont Army Medical CenterInternship, Transitional Year, 1996 - 1997
  • The University of Toledo College of Medicine
    The University of Toledo College of MedicineClass of 1996

Certifications & Licensure

  • FL State Medical License
    FL State Medical License 2019 - 2026
  • AZ State Medical License
    AZ State Medical License 2005 - 2025
  • GU State Medical License
    GU State Medical License Active through 2025
  • NV State Medical License
    NV State Medical License 2022 - 2025
  • TX State Medical License
    TX State Medical License 1998 - 2024
  • PA State Medical License
    PA State Medical License 2001 - 2002
  • VA State Medical License
    VA State Medical License 2000 - 2002
  • American Board of Family Medicine Family Medicine