Find National Provider Identifier (NPI) Number of Voluntary or Charitable Doctors in Grayling. NPI is a 10-digit identification number which is issued to health care providers by the Centers for Medicare and Medicaid Services (CMS) in the United States (US). You can also find mailing address, contact information and other necessary information of all Voluntary or Charitable Doctors in Grayling.

Definition of Voluntary or Charitable -
Just simply click on the name of the doctor whose details you want to know from the below list.