Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Kelsey Siever
Social Worker in Sacaton, AZ · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1447757729
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Registry record
Entity type Individual (Type 1)
Name Kelsey Siever
Sex Female
Practice address 483 Seed Farm Road, Sacaton, AZ, 85147
Phone (602) 528-7100
Enumeration date Apr 12, 2018
Last updated in NPPES May 19, 2023
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License LMSW-16076 (AZ) Secondary
104100000X Social Worker Behavioral Health & Social Service Providers · License LCSW-21429 (AZ) Primary
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 Kelsey Siever practice?
The practice location on file with NPPES is in Sacaton, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Kelsey Siever?
The National Provider Identifier (NPI) for Kelsey Siever is 1447757729, 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 2023-05-19.