RE: DISCRIMINATION - Just One Place to report is reporting to the SSA itself.

COMPLAINT FORM FOR ALLEGATION OF PROGRAM DISCRIMINATION BY THE SOCIAL SECURITY ADMINISTRATION

Instructions for filing and complaint form:

https://www.ssa.gov/forms/ssa-437.pdf

Telephone : 866-574-0374
Email: program.complaint.intake@ssa.gov

Any complaint may also be filed by letter instead of the form linked above.
However, it is best to follow the format of the form according to the site instructions.

ALL written communications must be sent to your REGIONAL SOCIAL SECURITY OFFICE, which is different than your local office. See form link above to identify the contact information for your Regional Office.