Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Craig Andrew Northrop, LCSW

Clinical Social Worker in Brewster, NY · enumerated 2008.

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

National Provider Identifier

1538310420

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Registry record

Entity type Individual (Type 1)

Name Mr. Craig Andrew Northrop

Credential LCSW

Sex Male

Practice address 400 Doansburg Rd, Brewster, NY, 10509

Phone (845) 279-2995

Enumeration date Oct 9, 2008

Last updated in NPPES Aug 22, 2024

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 083401-1 (NY) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 086931-1 (NY) 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
004040655	Medicaid	CT	-

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 Craig Northrop?

The National Provider Identifier (NPI) for Craig Northrop is 1538310420, a Type 1 (individual) record in the CMS NPPES registry.

Where does Craig Northrop practice?

The practice location on file with NPPES is in Brewster, NY. 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 2024-08-22.