What is Jarra Gruen's NPI number?

Jarra Gruen's National Provider Identifier (NPI) is 1639838634, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jarra Gruen's specialty?

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

Where is Jarra Gruen located?

Jarra Gruen's practice location on file with NPPES is 191 16th Street, Brooklyn, NY 11215-5421.

What is Jarra Gruen's phone number?

The practice phone number listed in the NPPES registry for Jarra Gruen is (917) 592-5205.

Is Jarra Gruen's NPI active?

Yes — Jarra Gruen's NPI (1639838634) is active in the NPPES registry as of the last update on 2026-02-04.

IndividualActive

Jarra Gruen, LCSW

NPI 1639838634 · Clinical Social Worker · Brooklyn, NY

Jarra Gruen, LCSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1639838634).

Provider details

NPI number: 1639838634
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW
Sex: Female
Sole proprietor: Yes
License: 100939-01 (NY)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 100939-01 (NY)
Behavioral Health & Social Service Providers

Profile Score

Established profile(61/100 index)

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

Registry tenure38% of score
4 yrs 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

191 16th Street

Apt 1r

Brooklyn, NY 11215-5421

Phone: (917) 592-5205

Street-level locationGet directions

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Mailing address