BEGIN:VCARD VERSION:3.0 FN:Duane Koehler\, DO N:Koehler;Duane;;;DO TITLE:General Practice Physician TEL;TYPE=WORK,VOICE:+19185425551 URL:https://www.gale.care/providers/ok/miami/duane-koehler-do-1811976566 NOTE:NPI 1811976566. From the NPPES registry (CMS)\, file of 2026-06-08. No t affiliated with Gale. X-NPI:1811976566 END:VCARD