Obstestrics Gynecology Nurse Practitioner, Nurse Practitioner, Np, Anp, Advanced Practice, Advanced Practice Nurse, Nurse Nursing, Ob/Gyn, nurse-practitioner, nurse practitioner, NP AMN Healthcare Advanced Practice Job ID #3591073. Birthplace of the Apollo space program and a bustling city with more than 100,000 residents, Downey, California is just minutes from the best of Southern California, including Hollywood, Anaheim, and Manhattan Beach—the world capital of beach volleyball.