A 62-year-old man with obesity, hypertension, diabetes, smoking, and dyslipidemia stopped taking atorvastatin a few months ago due to muscle discomfort, night cramps, and tendon soreness. His symptoms resolved after discontinuing atorvastatin. After discussing statin-associated musculoskeletal syndrome (SAMS), he expresses a desire to restart atorvastatin at a tolerated dose. He has also made dietary changes to reduce lipid intake. What is the next step in managing his hypercholesterolemia?