What is David Yellen's NPI number?

David Yellen's National Provider Identifier (NPI) is 1144199001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is David Yellen's specialty?

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

Where is David Yellen located?

David Yellen's practice location on file with NPPES is 99 Bergen St Apt 3r, Brooklyn, NY 11201-6328.

What is David Yellen's phone number?

The practice phone number listed in the NPPES registry for David Yellen is (917) 523-7780.

Is David Yellen's NPI active?

Yes — David Yellen's NPI (1144199001) is active in the NPPES registry as of the last update on 2025-10-30.

IndividualActive

David Yellen

NPI 1144199001 · Clinical Social Worker · Brooklyn, NY

David Yellen is a Clinical Social Worker provider in Brooklyn, NY (NPI 1144199001).

Provider details

NPI number: 1144199001
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes
License: 101288 (NY)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 101288 (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

99 Bergen St Apt 3r

Brooklyn, NY 11201-6328

Phone: (917) 523-7780

Street-level locationGet directions

More NY providers

Mailing address