Definitely, you'd have to wait or call in for an explanation.
BUT
If you overpaid SS from two jobs, that indicates a fairly high income....perhaps your income was high enough that you were also subject to the additional 0.9% Medicare tax assessed on high wage earners. (i.e. the extra $371)
Read:
Topic No. 560 Additional Medicare Tax | Internal Revenue Service (irs.gov)
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
