医师助理（PA）在医师和外科医生的监督下为患者提供医疗服务。在实践中，PA会执行患者就诊时获得的大部分相同护理，包括接受病史，进行身体检查，订购实验室和诊断研究，进行初步诊断和制定治疗计划，开药，执行程序以及协助在手术中。PA可能擅长于医学或外科手术的任何领域，并享有横向移动性，这意味着它们可以在不经过额外正式培训的情况下从一个专业转到另一个专业。医师助理研究中的MS是一项为期28个月的密集专业计划，旨在使卫生从业人员做好工作准备在各种各样的临床环境中。医师助理接受病史并进行体格检查，选择和解释诊断测试并
Physician assistants (PAs) provide medical care to patients under the supervision of physicians and surgeons. In practice, PAs perform a large percentage of the same care patients receive when they visit a doctor, including taking histories, performing physical exams, ordering labs and diagnostic studies, making initial diagnoses and formulating treatment plans, prescribing medication, performing procedures, and assisting in surgery. PAs may specialize in any area of medicine or surgery and enjoy lateral mobility, meaning that they may move from specialty to specialty without additional formal training.<br><br>LIU Brooklyn's Master of Science in Physician Assistant Studies program was the first in the region to be approved by the New York State Education Department. Successful completion of the program enables the candidate to register as a physician assistant and to sit for the National Certifying Examination administered by the National Commission on the Certification of Physician Assistants (NCCPA).