What is Claire Callahan's NPI number?

Claire Callahan's National Provider Identifier (NPI) is 1720949050, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Claire Callahan's specialty?

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

Where is Claire Callahan located?

Claire Callahan's practice location on file with NPPES is 282 E 35th St Apt 6h, Brooklyn, NY 11203-3932.

What is Claire Callahan's phone number?

The practice phone number listed in the NPPES registry for Claire Callahan is (704) 692-0269.

Is Claire Callahan's NPI active?

Yes — Claire Callahan's NPI (1720949050) is active in the NPPES registry as of the last update on 2025-11-18.

IndividualActive

Claire Callahan

NPI 1720949050 · Social Worker · Brooklyn, NY

Claire Callahan is a Social Worker provider in Brooklyn, NY (NPI 1720949050).

Provider details

NPI number: 1720949050
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes
License: 129344-01 (NY)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 129344-01 (NY)
Behavioral Health & Social Service Providers

Profile Score

Established profile(53/100 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

282 E 35th St Apt 6h

Brooklyn, NY 11203-3932

Phone: (704) 692-0269

Street-level locationGet directions

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Mailing address