What is meaning on NP in Resume?

The initials NP stand for Nurse Practitioner.

The US Dept. of Labor, Bureau of Labor Statistics (bls.gov) defines Nurse Practitioner as someone who can, "Diagnose and treat acute, episodic, or chronic illness, independently or as part of a healthcare team. May focus on health promotion and disease prevention. May order, perform, or interpret diagnostic tests such as lab work and x rays. May prescribe medication. Must be registered nurses who have specialized graduate education."