Upon discharge, who should the patient with a history of diabetes, hypertension, and a new coronary artery disease diagnosis contact for health care needs?

The appropriate choice is to contact the primary care provider upon discharge. Given this patient's complex health history, including diabetes, hypertension, and a new diagnosis of coronary artery disease, the primary care provider is in the best position to oversee their overall health management.

The primary care provider is typically responsible for coordinating care among various specialists, ensuring that all aspects of the patient's health are addressed. In this scenario, the provider can arrange for necessary follow-up appointments, manage medications, and monitor the patient's chronic conditions, which are crucial for preventing complications. They can also provide education on lifestyle modifications and monitoring blood sugar levels, which are essential aspects of managing diabetes and heart health.

While a cardiologist is important for specific heart-related issues, and specialist clinics may address specific conditions, the primary care provider serves as the hub for the patient’s healthcare needs, especially after a significant change in health status, such as a new diagnosis of coronary disease. This ensures that the patient receives comprehensive and coordinated care moving forward.