Shannon Polson. Her primary practice is as a Social Worker: Clinical, also practicing as a Registered Nurse: Addiction (Substance Use Disorder), a Registered Nurse: Administrator, a Registered Nurse: Case Management, a Registered Nurse: Community Health, a Registered Nurse: Diabetes Educator, a Registered Nurse: Medical-Surgical, a Registered Nurse: Psych/Mental Health, a Registered Nurse: Wound Care, and a Registered Nurse: Oncology.