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Gretchen Hartman, LCSW
NPI 1366526493 · Clinical Social Worker · Brooklyn, NY
Gretchen Hartman, LCSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1366526493).
Provider details
- NPI number
- 1366526493
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- PR009303-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
565 1st St
Brooklyn, NY 11215-2310
Phone: (718) 854-8119
Street-level locationGet directions
Mailing address
147 Seeley St
Brooklyn, NY 11218-1117
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gretchen Hartman's NPI number?
- Gretchen Hartman's National Provider Identifier (NPI) is 1366526493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Hartman's specialty?
- Gretchen Hartman is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gretchen Hartman located?
- Gretchen Hartman's practice location on file with NPPES is 565 1st St, Brooklyn, NY 11215-2310.
- What is Gretchen Hartman's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Hartman is (718) 854-8119.
- Is Gretchen Hartman's NPI active?
- Yes — Gretchen Hartman's NPI (1366526493) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.