In the USA:

<a title="The Alliance of Professional Health Advocates" href="http://aphadvocates.org/" target="_blank">The Aliiance of Professional Health Advocates</a>

&nbsp;

<a title="Patient Matters" href="http://www.patient-matters.com/" target="_blank">Patient Matters</a>

&nbsp;

&nbsp;

&nbsp;

In Canada:

<a title="Help with Healthcare" href="http://www.helpwithhealthcare.ca/" target="_blank">Help with Healthcare</a>  http://www.helpwithhealthcare.ca/

&nbsp;

To read more about the Code of Conduct

<a title="Health Advocate Code of Conduct" href="http://healthadvocatecode.org/" target="_blank">Health Advocates Code of Conduct </a>