Complaint Review: Nationwide Credit Collection

I received a call from Nathan Summers at Nationwide Collection Agency. He left a message on my answering machine telling me that I was being sued and that this was a last ditch effort to locate me to have me served. First I called Mr Summers at the extension he left me; it was either busy or he never answered. When I called and spoke to an operator she read my home address back to me. This seems like a scam to me so please beware. Do not give them any information, They will ask for social security number, address, date of birth, the works, just do not willingly give out any information. they also would not tell me what my debt was concerning.