BEGIN:VCARD VERSION:3.0 FN:Nina Chalfin\, MD N:Chalfin;Nina;;;MD TITLE:Internal Medicine Physician TEL;TYPE=WORK,VOICE:+16177325500 URL:https://www.gale.care/providers/ma/boston/nina-chalfin-md-1902836661 NOTE:NPI 1902836661. From the NPPES registry (CMS)\, file of 2026-06-08. No t affiliated with Gale. X-NPI:1902836661 END:VCARD