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Dr. Leff is on Doximity

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Education & Training

  • Boston University School of Medicine
    Boston University School of MedicineClass of 1981

Certifications & Licensure

  • MA State Medical License
    MA State Medical License 1984 - 2025
  • RI State Medical License
    RI State Medical License 1985 - 2002
  • American Board of Pediatrics Pediatrics