Where do I indicate referring or ordering provider’s information on my claim?
Indicate the referring or ordering provider’s information in the section titled Name of referring provider or other source (Item 17 & 17b of the CMS-1500 paper claim form or the 2310A Referring Provider Loop, segments NM101 using qualifier DN or DK, NM103-NM105 [Name], NM108 using [XX] qualifier, and NM109 [NPI] of the 837P electronic claim) as indicated below.