BEGIN:VCARD VERSION:3.0 FN:Amy Mattern\, DO N:Mattern;Amy;;;DO TITLE:Psychiatrist TEL;TYPE=WORK,VOICE:+15138280285 URL:https://www.gale.care/providers/oh/delaware/amy-mattern-do-1275927139 NOTE:NPI 1275927139. From the NPPES registry (CMS)\, file of 2026-06-08. No t affiliated with Gale. X-NPI:1275927139 END:VCARD