Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Jennifer Joy Duffield, MSW

Social Worker in Whiting, NJ · enumerated 2007.

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

National Provider Identifier

1841318870

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Registry record

Entity type Individual (Type 1)

Name Mrs. Jennifer Joy Duffield

Credential MSW

Sex Female

Practice address 88 Schoolhouse Rd, Whiting, NJ, 08759

Phone (732) 350-2120

Enumeration date Mar 27, 2007

Last updated in NPPES Jul 8, 2007

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.

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Frequently asked questions

What is the NPI number for Jennifer Duffield?

The National Provider Identifier (NPI) for Jennifer Duffield is 1841318870, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jennifer Duffield practice?

The practice location on file with NPPES is in Whiting, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.