This is MRS Associates an abusive collections agency.  They change numbers from which they call every few days.  Best not to answer.

this number called me early in the morning. kept calling and changing number.

Block this number. They kept calling threatening about John Straton's office filing against you for whatever. Agents on the phone will insist she records you and your acknowledgment. They are not based in Los Angeles.

MRS associates - abusive lawbreaking collection thugs. Best not to answer.

don't want calls from this phone number.