Hi Accountant-Man!

The returns filed by PTIN can be found in your PTIN account using this process:

IRS home page> Tax Pros (upper right corner)> PTIN System-click Renew or Register>login with your credentials>Be sure to click 'Receive a code via email' so they actually send the code!>enter the code received> Click on Returns per PTIN

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To verify returns filed by EFIN, log in to your E-Services account (presuming you have one set up) using these steps:

IRS home page> Tax Pros (upper right corner)> Access E-Services > Access E-file Services > Access E-file Application > sign in with whatever way you set up your account > Choose your organization > This brings you to the External Services Authorization Management page > Click on the View/Edit eye > Choose EFIN Status from the top menu (thick green line under it) > Voila!  There's the list of return types filed and the # filed using your EFIN

Hope that helps!

-Shamcafee