yes they are, many mental health agencies have their own forums where they can log in using a user name and a password and in some cases their certification/ licensing number.

if you are a treatment provider check with your work agency, they may have a professionals only forum boards for you where you and your co workers can help each other. those you work with can also point you in the direction of websites for professionals only sites.

another place you can access professionals only forums for treatment providers is by going to workshops/ seminars for professionals. they are a wealth of information and resources for treatment providers.