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William O Callahan, MD

Worcester, MA

Physician

Emergency Medicine

Facilities

  • Umass Memorial Medical Center/University Campus

    Hospital · General Acute Care Hospital

    55 Lake Avenue North, Worcester, MA 01655

  • 5 Shrewsbury St

    Clinical Location

    5 Shrewsbury St Suite D, Holden, MA 01520

Employers

  • Urgent Care Specialists Pc
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