MRC - Masters of Rehabilitation Counseling Betsy H. Trexler-Pastoor, MRC has over 20 years of experience providing brief psychological assessment screening, support and adjustment counseling for medical rehabilitation patients across the Sheltering Arms continuum of care, to include inpatient, outpatient and day rehabilitation programs. She currently specializes in the treatment of inpatients and their families with coping, adjusting to and compensating for acquired disabilities.