Rios Sandra is a Chula Vista nursing agency operating from Suite 304 inside the Chula Vista Medical Arts II building, a four-story medical office complex on Fourth Avenue in the 91910 medical district. The agency's position adjacent to Scripps Mercy Hospital Chula Vista streamlines credentialing and shift-coverage logistics for the hospital's inpatient and outpatient nursing departments. Registered and vocational nursing staff are supplied to clinical practices across the South Bay's 91910 and 91911 ZIP codes, covering per diem, short-term, and extended assignment structures. Placement capabilities extend to federally qualified health centers in the area, including community clinics operated by San Ysidro Health Chula Vista, which serve large Medi-Cal and underserved patient populations. The agency's staffing model is calibrated to California Title 22 staffing-ratio requirements for skilled nursing and acute-care settings, with bilingual Spanish-English nurses available for South Bay facilities serving predominantly Latino patient panels.