Mr. Gentry is a 68-year-old male who presents to the clinic…

Mr. Gentry is a 68-year-old male who presents to the clinic with chest congestion, fever of 101.8 degrees, WBC of 18,000 and productive cough.  Upon CXR, a lower basilar lobe infiltrate is seen. Mr. Gentry is a well-known patient to the clinic having been receiving treatment for hypertension, GERD, and COPD for 3 years.  What is the next course of action for the nurse practitioner?