To become a practicing doctor, an individual must complete an internship, residency, and additional medical education. They must then pass a general exam for the state they intend to practice in that grants a medical license for that state.
Board certification is not required to practice as a doctor. However, doctors who are board certified in one or more specialties have proven that they are skilled and knowledgeable experts in their specialty and that they meet a higher standard.
To be board certified is an immense achievement for doctors and something that not all doctors attain.
For the patient, board-certified doctors come with the confidence that the doctor is highly qualified in their specialty and works to continually improve their level of care and healthcare advances.