upin lookupNews ItemsMedicare: Part B - EnrollmentMedicare: Part B - Enrollment The Unique Physician Identification Number (UPIN) is the number assigned to physicians and CMS UPIN Directory · NEBO Systems ECARE UPIN Lookup UPIN - NE Med Rev FAQ Providers should access the UPIN web site www.upinregistry.com to confirm or look up a physician UPIN. If a UPIN cannot be found, the following surrogate HMEdata.com - MediGAP Search Free UPIN, ICD9, Medicare Allowables, Medigap Database Searches. FREE email notification list. UPIN books and CD-ROMs for sale.Welcome to Nebo Systems Inc. Website eCare Online UPIN Lookup. What is UPIN? UPIN stands for "Unique Physician Identification Number." In 1985, Congress mandated that Medicare issue a unique | |||||