Note: You can also fill out the forms online, print them and fax them to us using this option. Fax Referral Form Download the one-page HBOT Physician Fax-Back Referral Form and fax back with supporting documentation.Checklist and information needed:HBOT Referral Checklist (pdf) Dublin, Ohio HBOT Physician Fax-Back Referral Form -Dublin (pdf) Submit Referral & Clinical Notes via the clinic-specific referral routing:Fax: 614-793-8431 (Dublin, Ohio)