Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Miss Danielle Magen Greendyk, LCSW

Social Worker in New York, NY · enumerated 2019.

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

National Provider Identifier

1831741313

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Registry record

Entity type Individual (Type 1)

Name Miss Danielle Magen Greendyk

Credential LCSW

Sex Female

Practice address 3 Columbus Cir Fl 15, New York, NY, 10019

Phone (646) 414-1446

Enumeration date Jul 15, 2019

Last updated in NPPES Mar 29, 2024

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers Primary

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

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

Is NPI 1831741313 active?

Yes, as of the latest NPPES snapshot, NPI 1831741313 is active (record last updated 2024-03-29).

How do I verify Danielle Greendyk's NPI record?

Cross-check NPI 1831741313 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-29.