Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ali Marie Dematteo, ND
Naturopath in Seattle, WA · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578382891
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Ali Marie Dematteo
Credential ND
Sex Female
Practice address 1600 E Jefferson St Ste 603, Seattle, WA, 98122
Phone (206) 726-0034
Enumeration date Oct 3, 2024
Last updated in NPPES Oct 3, 2024
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
Where does Ali Dematteo practice?
The practice location on file with NPPES is in Seattle, WA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ali Dematteo?
The National Provider Identifier (NPI) for Ali Dematteo is 1578382891, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-03.