BEGIN:VCARD VERSION:3.0 FN:John Gunderson\, MD N:Gunderson;John;;;MD TITLE:Occupational Medicine Physician TEL;TYPE=WORK,VOICE:+19256857744 URL:https://www.gale.care/providers/ca/concord/john-gunderson-md-1215074794 NOTE:NPI 1215074794. From the NPPES registry (CMS)\, file of 2026-06-08. No t affiliated with Gale. X-NPI:1215074794 END:VCARD