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Dr. Keefer is on Doximity

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Education & Training

  • Geisinger Health System
    Geisinger Health SystemResidency, Family Medicine, 1981 - 1984
  • Drexel University College of Medicine
    Drexel University College of MedicineClass of 1981

Certifications & Licensure

  • NY State Medical License
    NY State Medical License 1985 - Present
  • NJ State Medical License
    NJ State Medical License 1989 - 2025
  • PA State Medical License
    PA State Medical License 1982 - 2008
  • ME State Medical License
    ME State Medical License Active through 1997
  • VT State Medical License
    VT State Medical License 1987 - 1994
  • American Board of Family Medicine Family Medicine