What is Claire Greenbaum's NPI number?

Claire Greenbaum's National Provider Identifier (NPI) is 1700618824, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Claire Greenbaum's specialty?

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

Where is Claire Greenbaum located?

Claire Greenbaum's practice location on file with NPPES is 5 E 17th St Fl 2, New York, NY 10003-1949.

What is Claire Greenbaum's phone number?

The practice phone number listed in the NPPES registry for Claire Greenbaum is (212) 989-2990.

Is Claire Greenbaum's NPI active?

Yes — Claire Greenbaum's NPI (1700618824) is active in the NPPES registry as of the last update on 2025-09-03.

IndividualActive

Claire Greenbaum

NPI 1700618824 · Social Worker · New York, NY

Claire Greenbaum is a Social Worker provider in New York, NY (NPI 1700618824).

Provider details

NPI number: 1700618824
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 128582 (NY)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 128582 (NY)
Behavioral Health & Social Service Providers

Profile Score

Established profile(56/100 index)

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

Registry tenure38% of score
1 yr in NPPES 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

5 E 17th St Fl 2

New York, NY 10003-1949

Phone: (212) 989-2990

Fax: (212) 792-6055

Street-level locationGet directions

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Mailing address