Traditional Chinese Medicine at Eastern Medical Center helps you ... Experience pain relief right away and take care of the problem at its source, rather than suppressing symptoms. Heal with no negative side effects: In fact, other issues you're not even trying to address will start to improve. Relax and release stress. Get treated by the best: Our doctors have trained and practiced at the finest schools and hospitals in China and America and are fully licensed and board-certified in California. Dr. Mason Shen is a world-renowned acupuncturist who helped reinvent how acupuncture is perceived by the medical industry. Dr. Teresa Shen, the next generation of healing practitioners, is beloved and respected in the community for her caring touch and commitment to patients' well being.