Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Mary Janet Poinsett, LCSW

Clinical Social Worker in Princeton, NJ · enumerated 2006.

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

National Provider Identifier

1700810447

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Registry record

Entity type Individual (Type 1)

Name Ms. Mary Janet Poinsett

Credential LCSW

Sex Female

Practice address 812 State Rd, Suite 220, Princeton, NJ, 08540

Phone (609) 203-0773

Fax (609) 688-0844

Enumeration date Jul 10, 2006

Last updated in NPPES Dec 29, 2011

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 44SC00289900 (NJ) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier	Type	State	Issuer
44SC00289900	Other	NJ	NJ LCSW LICENSE

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

Where does Mary Poinsett practice?

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

What is the NPI number for Mary Poinsett?

The National Provider Identifier (NPI) for Mary Poinsett is 1700810447, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-12-29.