BEGIN:VCARD VERSION:3.0 FN:Leonard Leffler N:Leffler;Leonard;;; TITLE:Specialist TEL;TYPE=WORK,VOICE:+16464001661 URL:https://www.gale.care/providers/ny/brooklyn/leonard-leffler-1437518735 NOTE:NPI 1437518735. From the NPPES registry (CMS)\, file of 2026-06-08. No t affiliated with Gale. X-NPI:1437518735 END:VCARD