A medical professional is a person who performs medical diagnostics and procedures for a patient, such as physical exams, bloodwork and surgeries. Doctors, nurse practitioners and dentists are a few examples of medical professionals.  A healthcare provider is anyone who is authorized to provide healthcare services, including all the services listed above plus mental health counseling, patient education, nutrition planning and more. This field includes but is not limited to doctors, nurse practitioners, clinical social workers, pharmacists and nutritionists.