does medicare still use upin numbers
A UPIN or Unique Physician Identification number used by Medicare for the purpose of identifing doctors thruought the United States.elcome to UPIN Numbers. This is our first post. There is an enormous amount of work in the industry that has been dependent on UPIN Numbers for a long time. Iâll gather information on UPIN Numbers compile it and place it here in a series of postings.