Thanks for the link.
To access that site, you need to be logged in as the username, drjerryrburkett. Note there's an extra "r" between the y and b, so it's a different username than the one you're using now.
I cannot tell you the email address associated with that username, but if you log out of this account and enter the username on our password reset form, it will send a password reset link to the correct email address, so then check all your email accounts for that.
If you don't receive a reset email, for example if you no longer have access to the correct email account, you'll need to follow our account recovery process as explained here:
As you have a domain upgrade on that site, the easiest way to verify your ownership will be the transaction ID for a past upgrade payment.