BEGIN:VCARD VERSION:3.0 FN:Mark Vivian\, MD N:Vivian;Mark;;;MD TITLE:Student in an Organized Health Care Education/Training Program TEL;TYPE=WORK,VOICE:+16177326304 URL:https://www.gale.care/providers/ma/boston/mark-vivian-md-1376821942 NOTE:NPI 1376821942. From the NPPES registry (CMS)\, file of 2026-06-08. No t affiliated with Gale. X-NPI:1376821942 END:VCARD