BEGIN:VCARD VERSION:3.0 FN:Mark Shaffer\, MD N:Shaffer;Mark;;;MD TITLE:Internal Medicine Physician TEL;TYPE=WORK,VOICE:+16194613717 URL:https://www.gale.care/providers/ca/la-mesa/mark-shaffer-md-1255436804 NOTE:NPI 1255436804. From the NPPES registry (CMS)\, file of 2026-06-08. No t affiliated with Gale. X-NPI:1255436804 END:VCARD