Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Diana Louise Sullivan, RC, CDPT
Counselor in Bellingham, WA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1477613792
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Registry record
Entity type Individual (Type 1)
Name Ms. Diana Louise Sullivan
Credential RC, CDPT
Sex Female
Practice address 2806 Douglas Ave, Bellingham, WA, 98225
Phone (360) 676-2187
Fax (360) 676-2162
Enumeration date Dec 8, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Diana Sullivan?
The National Provider Identifier (NPI) for Diana Sullivan is 1477613792, a Type 1 (individual) record in the CMS NPPES registry.
Where does Diana Sullivan practice?
The practice location on file with NPPES is in Bellingham, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.