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Dr. Longjohn is on Doximity

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Education & Training

  • Brooklyn Hospital Center
    Brooklyn Hospital CenterResidency, Internal Medicine, 1995 - 1998
  • University of Ibadan
    University of IbadanClass of 1985

Certifications & Licensure

  • NY State Medical License
    NY State Medical License 1998 - 2025

Hospital Affiliations