Yes. Only sterile disposable needles are used. Because of the training an Acupuncturist receives, acupuncture is very safe. If a comprehensively trained acupuncturist performs the treatment, your safety is assured.
"Although tens of millions of acupuncture needles are used annually in the United States, only about 50 cases of complications resulting from acupuncture have been reported in the medical literature over the past 20 years." - Birch, et. al., "Clinical Research on Acupuncture", Journal of Alternative and Complementary Medicine, 2004