Complex sentence: Medical Service Corps officers serve as commanders of field medical units in garrison and combat environments, and provide healthcare to patients as psychologists (PhD, PsyD), social workers (MSW with state license), optometrists, pharmacist, podiatrists, and audiologists.
Split into simpler sentences: Medical Service Corps officers serve as commanders of field medical units in garrison and combat environments. MS officers provide healthcare to patients as psychologists (PhD, PsyD), social workers (MSW with state license), optometrists, pharmacist, podiatrists, and audiologists.