About us. Mindfield Wellness is a concierge ketamine treatment clinic in Los Angeles, CA. We provide the best ketamine therapy for mood disorders and pain management in Los Angeles in our patients own homes and we are looking for the best nurses to join us. Registered Nurse - Infusion. Overview. We are seeking a highly skilled and compassionate Registered Nurse to join our team as an Infusion Nurse for Mindfield Wellness, a concierge ketamine inf...