BEGIN:VCARD VERSION:3.0 FN:John O'Brien\, MD N:O'Brien;John;;;MD TITLE:Physical Medicine & Rehabilitation Physician TEL;TYPE=WORK,VOICE:+12032842800 URL:https://www.gale.care/providers/ct/wallingford/john-o-brien-md-14472887 41 NOTE:NPI 1447288741. From the NPPES registry (CMS)\, file of 2026-06-08. No t affiliated with Gale. X-NPI:1447288741 END:VCARD