What is Hallie Hayden's NPI number?

Hallie Hayden's National Provider Identifier (NPI) is 1740172568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Hallie Hayden's specialty?

Hallie Hayden is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Hallie Hayden located?

Hallie Hayden's practice location on file with NPPES is 705 Manhattan Ave, Brooklyn, NY 11222-2909.

What is Hallie Hayden's phone number?

The practice phone number listed in the NPPES registry for Hallie Hayden is (347) 474-8464.

Is Hallie Hayden's NPI active?

Yes — Hallie Hayden's NPI (1740172568) is active in the NPPES registry as of the last update on 2025-07-16.

IndividualActive

Hallie Hayden, LMSW

NPI 1740172568 · Clinical Social Worker · Brooklyn, NY

Hallie Hayden, LMSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1740172568).

Provider details

NPI number: 1740172568
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LMSW
Sex: Female
Sole proprietor: No
License: 120331 (NY)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 120331 (NY)
Behavioral Health & Social Service Providers

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

705 Manhattan Ave

Brooklyn, NY 11222-2909

Phone: (347) 474-8464

Street-level locationGet directions

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Mailing address