Hi,
the reference from a Senior Physio, I believe, only refers to competencies 1 - 4.
Do you have any colleagues, that could validate your skills?
Who is/ has been doing your peer reviews or performance appraisals every year? Get those people to write a reference/ validation.
For all other competencies, you could get work validation e.g. from your manager (hospital). For work validation in private practice, you could also choose a GP or Specialist, who refers clients on to you. They won't be able to confirm your skills as a Physio, but they will be able to comment on how happy they are with the results.
Hope this helps,
good luck,
Fyzzio