BEGIN:VCARD VERSION:3.0 FN:Benjamin Geisler\, MD\, MPH N:Geisler;Benjamin;;;MD\, MPH TITLE:Internal Medicine Physician TEL;TYPE=WORK,VOICE:+16177243874 URL:https://www.gale.care/providers/ma/boston/benjamin-geisler-md-mph-19728 63074 NOTE:NPI 1972863074. From the NPPES registry (CMS)\, file of 2026-06-08. No t affiliated with Gale. X-NPI:1972863074 END:VCARD