Final answer:
Reinforce the referral to the neurologist because this professional has the diagnostic tools such as EEG and CT scans to properly assess the neurological condition, and potential serious conditions like a stroke need to be ruled out.
Step-by-step explanation:
If a patient presents with facial numbness and paresthesia over the trigeminal area of the right face and has been referred to a neurologist by their PCP, reinforcing the referral to the neurologist would be the most appropriate action. Neurologists have, beyond a physical exam, diagnostic tools such as electroencephalography (EEG) and computerized tomography (CT) scans to assess neurological conditions. It is important that the patient receives a complete neuromedical evaluation to rule out conditions like stroke or trigeminal neuralgia, which could present with such symptoms. Acupuncture may not be sufficient as a primary treatment method without a clear medical diagnosis of the underlying condition by a neurologist.