Final answer:
The most beneficial marketing tool for a physician is a professional website, which provides comprehensive information and integrates convenient features such as online appointment scheduling.
Step-by-step explanation:
One of the most popular and beneficial marketing tools for the physician is a professional website. A website acts as a central platform where patients can find detailed information about the physician's credentials, services offered, patient testimonials, and educational resources.
It also allows for the integration of online appointment scheduling systems which adds to patient convenience. Digital marketing strategies such as search engine optimization (SEO) and content marketing can drive traffic to the website, making it a potent tool for attracting new patients and establishing a strong online presence.