BEGIN:VCARD VERSION:3.0 FN:Guohui Ren N:Ren;Guohui;;; TITLE:Internal Medicine Physician TEL;TYPE=WORK,VOICE:+13129425000 URL:https://www.gale.care/providers/il/chicago/guohui-ren-1942615539 NOTE:NPI 1942615539. From the NPPES registry (CMS)\, file of 2026-06-08. No t affiliated with Gale. X-NPI:1942615539 END:VCARD