Today, we care for more than 4,000 patients across San Francisco, San Mateo, Santa Clara, Santa Cruz, Alameda, Contra Costa, Solano, Napa, Yolo, Placer, El Dorado, and Sacramento counties and we are actively expanding into Marin and Sonoma counties. What You ll Do as a Health Field Physical Therapist: Provide hands-on therapeutic interventions including gait training, balance and neuromuscular re-education, transfer training, therapeutic exercises, manual therapy, and pain management techniques, as appropriate under your license and within a home health setting.