In general, this position requires the ability to lift up to 35 pounds unassisted; ability to stand for extended periods of time and to perform repetitive stooping, walking, stretching, reaching and some sitting; ability to use full range of body motions required to lift patients, wear a lead apron, and lift and move supplies. In addition to office and hospital-based patient care, Balboa physicians manage the dialysis treatments of approximately 4,500 patients at 88 dialysis centers and conduct Nephrology based clinical research at 6 centers throughout Imperial and San Diego counties (California Institute of Renal Research).