What is Elizabeth Hammer's NPI number?

Elizabeth Hammer's National Provider Identifier (NPI) is 1265363741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Elizabeth Hammer's specialty?

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

Where is Elizabeth Hammer located?

Elizabeth Hammer's practice location on file with NPPES is 1 Gustave L Levy Pl Fl 12, New York, NY 10029-6574.

What is Elizabeth Hammer's phone number?

The practice phone number listed in the NPPES registry for Elizabeth Hammer is (212) 241-6800.

Is Elizabeth Hammer's NPI active?

Yes — Elizabeth Hammer's NPI (1265363741) is active in the NPPES registry as of the last update on 2026-05-26.

IndividualActive

Elizabeth Hammer, LMSW

NPI 1265363741 · Social Worker · New York, NY

Elizabeth Hammer, LMSW is a Social Worker provider in New York, NY (NPI 1265363741).

Provider details

NPI number: 1265363741
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LMSW
Sex: Female
Sole proprietor: Yes
License: 129253 (NY)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 129253 (NY)
Behavioral Health & Social Service Providers

Profile Score

Established profile(52/100 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

1 Gustave L Levy Pl Fl 12

New York, NY 10029-6574

Phone: (212) 241-6800

Street-level locationGet directions

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Mailing address