Getting a denial letter is tough, but don’t give up. You have exactly 60 days...
https://high-wiki.win/index.php/SSA_Asked_for_More_Information_From_My_Providers:_Should_I_Call_the_Office%3F
Getting a denial letter is tough, but don’t give up. You have exactly 60 days to file for reconsideration using Form SSA-561. Whether you are dealing with a Phoenix office or somewhere else, the strategy remains the same