You might be surprised to learn thattrash from physicians' offices and homesis a prime target for criminals looking forcredit card numbers. The thief's perceptionis that all doctors are wealthy. Aftera transaction, always take receipts withyou and tear them up before you throwthem away. Buying a shredder is also agood move. Don't leave personal informationlying around the office if youemploy an outside cleaning service. Neverwrite your credit card number on a check,and don't permit store clerks to write thenumber on a check or anywhere else.