Skip to main content

Dr. Massullo 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. Massullo's full profile

Already have an account?

  • Office

    2540 East St
    Concord, CA 94520
    Phone+1 209-342-2300
    Fax+1 209-524-4240

Education & Training

  • University of California (San Francisco)
    University of California (San Francisco)Residency, Radiology-Diagnostic, 1983 - 1986
  • Mayo Clinic College of Medicine and Science (Rochester)
    Mayo Clinic College of Medicine and Science (Rochester)Residency, Internal Medicine, 1980 - 1983
  • Mayo Clinic College of Medicine
    Mayo Clinic College of MedicineClass of 1980

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 1983 - 2025
  • MN State Medical License
    MN State Medical License 1981 - 1996
  • American Board of Radiology Radiation Oncology

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification MOSAIQ EMR, Elekta, 2013
  • Top MD Consumers Checkbook

Publications & Presentations

PubMed