BEGIN:VCARD VERSION:3.0 FN:Derek Biederman\, MD N:Biederman;Derek;;;MD TITLE:Vascular & Interventional Radiology Physician TEL;TYPE=WORK,VOICE:+12036884242 URL:https://www.gale.care/providers/ct/new-haven/derek-biederman-md-1235487 794 NOTE:NPI 1235487794. From the NPPES registry (CMS)\, file of 2026-06-08. No t affiliated with Gale. X-NPI:1235487794 END:VCARD