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Marshall, William T., DO, FACOS, FACS Attending

Marshall, William T.


Department: Surgery
Division: Trauma and Critical Care
Division Title: Attending
Board Certification: General Surgery and Surgical Critical Care
Dr. Marshall specializes in Acute Care Surgery, General Surgery, and Trauma.  He is Board Certified in both Surgical Critical Care and General Surgery through the American Osteopathic Board of Surgery.


Medical School: New York College of Osteopathic Medicine, Old Westbury, NY
Internship: Traditional Osteopathic Rotating Internship, Wyckoff Heights Medical Center, Brooklyn, NY
Residency: General Surgery, Wyckoff Heights Medical Center, Brooklyn, NY
Fellowship: University of Connecticut
Primary Fellowship: Trauma
Secondary Fellowship: Surgical Critical Care


Specialties: Critical Care
Critical Care Surgery
General Surgery
Trauma Surgery
Special Clinical Interest:
  • Surgical Critical Care
  • Trauma Surgery
  • General Surgery


Westchester Medical Center

100 Woods Road,
Valhalla, NY 10595
Phone: 914-493-6826

MidHudson Regional Hospital

One Webster Avenue Atrium Building, Suite 305
Poughkeepsie, NY 12601
Phone: 845-431-8733
Fax: 845-483-5807

Advanced Physician Services, Surgical Services

19 Bradhurst Avenue
Hawthorne, NY 10532
Phone: 914-909-6416
Fax: 914-909-6417