Ernestina Mcgrew, graduated from in . Her primary practice is as a Registered Nurse, also practicing as a Registered Nurse: Addiction (Substance Use Disorder), a Registered Nurse: Case Management, a Registered Nurse: Community Health, a Registered Nurse: Gerontology, a Registered Nurse: Pediatrics, a Registered Nurse: Psych/Mental Health, and a Registered Nurse: Rehabilitation.