Find your calling! Breast Surgery Nurse Practitioner or Physician Assistant Opportunity in St. Louis, MO! Clinic Breast Surgery - Sindelar Cancer Center is powered by 3 Physicians, 1 Advanced Practitioner, and an engaged support staff focused on quality patient care. Previous Advanced Practitioner experience in Breast Surgery, Breast Health, Women's Health, OB/GYN, or any other surgical specialties with significant women's health exposure is strongly preferred.