Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jennifer Jefferson

Social Worker in Sandusky, MI · enumerated 2023 · practices at Sanilac County Community Mental Health Authority.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1861174864

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Registry record

Entity type Individual (Type 1)

Name Jennifer Jefferson

Sex Female

Practice address 227 E Sanilac Rd, Sandusky, MI, 48471

Phone (810) 648-0330

Enumeration date Aug 1, 2023

Last updated in NPPES Aug 1, 2023

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Jennifer Jefferson?

The National Provider Identifier (NPI) for Jennifer Jefferson is 1861174864, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jennifer Jefferson practice?

The practice location on file with NPPES is in Sandusky, MI. 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 2023-08-01.