Find your calling! Certified Genetics Nurse Practitioner Opportunity in St. Louis, MO! Oncology and Hematology - David C. Pratt Cancer Center is powered by 8 Physicians, 2 Advanced Practitioners, and an engaged support staff focused on quality patient care. At least one year of experience as a Certified Genomic Nurse Practitioner. Qualified candidates must be Advanced Genomic Nursing - AGN certified, Advanced Clinical Genomics NP - ACGN certified, or City of Hope certified.