BEGIN:VCARD VERSION:3.0 FN:Derra Walker N:Walker;Derra;;; TITLE:Behavior Analyst TEL;TYPE=WORK,VOICE:+19186828407 URL:https://www.gale.care/providers/ok/muskogee/derra-walker-1720789670 NOTE:NPI 1720789670. From the NPPES registry (CMS)\, file of 2026-06-08. No t affiliated with Gale. X-NPI:1720789670 END:VCARD