Maintenance of Board Certification (MOC) is not the same as a Medical License.
Many free-thinking physicians like Dr. Paul are opposed to MOC, which is seen as a racket.
Grandfathered-in means the physician passed Boards once in order to be Board Certified for life.
Subsequent physicians must participate in MOC and pay these companies lots of money to maintain their board certification.
They can allow their board certification to lapse and still maintain their medical license.
Good source of info here:
https://nbpas.org
There is controversy surrounding the requirements for continued certification in a medical specialty. Many physicians believe recent changes requiring physicians engage in various medical knowledge, practice-assessment, and patient-safety activities as well as recertification exams do not provide optimal use of physician’s time. Furthermore, no high quality data exist to justify these labor intensive and expensive activities.
Ask a lawyer if they have to pass the bar more than once to become a lawyer for life….yeah, no.