Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Alexandra Mack, CSW
Social Worker in Salt Lake City, UT · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1902379498
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Registry record
Entity type Individual (Type 1)
Name Ms. Alexandra Mack
Credential CSW
Sex Female
Practice address 2200 S State St Ste 200, Salt Lake City, UT, 84115
Phone (801) 359-8862
Enumeration date Jan 7, 2019
Last updated in NPPES Jan 7, 2019
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 10964194-3502 (UT) 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
What is the NPI number for Alexandra Mack?
The National Provider Identifier (NPI) for Alexandra Mack is 1902379498, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alexandra Mack practice?
The practice location on file with NPPES is in Salt Lake City, UT. 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 2019-01-07.