INSPIRING HEALTHY LIVES through community   At Natividad, our dedication to the people of Monterey County is at the heart of everything we do—from the health care services we provide to the specialized programs we promote. This commitment to our community spans more than 135 years and has touched countless lives. It has also earned us a Joint Commission ranking in the top percentile of hospitals nationwide. If you believe in inspiring healthy lives by focusing on community-based care, consider joining Natividad today.   CARDIAC SONOGRAPHER   Natividad may offer up to a $20,000 sign-on bonus to candidates hired into a permanent