Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ruth Sullivan
Dental Hygienist in Glendale, AZ · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629270657
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Registry record
Entity type Individual (Type 1)
Name Ruth Sullivan
Sex Female
Practice address 20359 N 59th Ave, Ste 101, Glendale, AZ, 85308
Phone (623) 376-9400
Enumeration date Jun 1, 2007
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
Where does Ruth Sullivan practice?
The practice location on file with NPPES is in Glendale, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ruth Sullivan?
The National Provider Identifier (NPI) for Ruth Sullivan is 1629270657, a Type 1 (individual) record in the CMS NPPES registry.
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.