BEGIN:VCARD VERSION:3.0 FN:David Walling\, PhD N:Walling;David;;;PhD TITLE:Psychologist TEL;TYPE=WORK,VOICE:+17147997799 URL:https://www.gale.care/providers/ca/garden-grove/david-walling-phd-15382 54115 NOTE:NPI 1538254115. From the NPPES registry (CMS)\, file of 2026-06-08. No t affiliated with Gale. X-NPI:1538254115 END:VCARD