Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Frank Steve Jacob, MSW, LMSW, ACSW

Q: What is the NPI number for Frank Jacob?

The National Provider Identifier (NPI) for Frank Jacob is 1871719690, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Southgate, MI · enumerated 2007.

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

National Provider Identifier

1871719690

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Registry record

Entity type Individual (Type 1)

Name Mr. Frank Steve Jacob

Credential MSW, LMSW, ACSW

Sex Male

Practice address Southgate, MI, 48195

Phone (734) 785-7700

Enumeration date Apr 18, 2007

Last updated in NPPES Apr 2, 2013

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 6801059626 (MI) 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 Frank Jacob?

The National Provider Identifier (NPI) for Frank Jacob is 1871719690, a Type 1 (individual) record in the CMS NPPES registry.

Where does Frank Jacob practice?

The practice location on file with NPPES is in Southgate, 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 2013-04-02.