Yes, you can request an IP PIN. However, even if one is issued, it will only be effective for 2024, not 2023.
If you feel you might be the victim of identity theft now, the only practical way to protect yourself when filing a 2023 tax return is to e-file as soon as you can (that is, as soon as you have all your required forms and paperwork and your accurate income information.) If you find that e-filing is blocked, you will have to print and mail your tax return, and hope the IRS doesn't take too long to process it.
