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William Mark Jr., MD, Internal Medicine, Sanibel, FL

WilliamWMarkJr.MD

Internal Medicine Sanibel, FL

Gastroenterology

Gastroenterology

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  • Office

    4340 West Gulf Dr.
    Sanibel Island, Fla.
    Sanibel, FL 33957

Education & Training

  • Letterman Army Medical Center
    Letterman Army Medical CenterFellowship, Gastroenterology, 1979 - 1981
  • Montefiore Medical Center/Albert Einstein College of Medicine (Wakefield Campus)
    Montefiore Medical Center/Albert Einstein College of Medicine (Wakefield Campus)Residency, Internal Medicine, 1976 - 1979
  • Universidad Autonoma de Guadalajara
    Universidad Autonoma de GuadalajaraClass of 1975

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 1979 - Present
  • MD State Medical License
    MD State Medical License 1984 - 2023
  • FL State Medical License
    FL State Medical License 2009 - 2021
  • NY State Medical License
    NY State Medical License 1978 - 2003
  • PA State Medical License
    PA State Medical License 1990 - 2002
  • CO State Medical License
    CO State Medical License 1981 - 1985
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification PrognoCIS EHR, Bizmatics, 2012