Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Marie Terese Jefferies, CSW
Social Worker in Ogden, UT · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1093094062
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Registry record
Entity type Individual (Type 1)
Name Ms. Marie Terese Jefferies
Credential CSW
Sex Female
Practice address 1140 36th St, Ogden, UT, 84403
Phone (801) 860-0855
Enumeration date Aug 9, 2011
Last updated in NPPES Aug 9, 2011
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 7975297-3502 (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 specialty is Marie Jefferies?
Marie Jefferies is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-08-09.