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Greta Gustafson, LCSW
NPI 1689748063 · Clinical Social Worker · New York, NY
Greta Gustafson, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1689748063).
Provider details
- NPI number
- 1689748063
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- R040510-1 (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
19 W 34th St
Penthouse
New York, NY 10001-3006
Phone: (212) 947-7111
Street-level locationGet directions
Mailing address
9902 3rd Ave
Brooklyn, NY 11209-7938
Registry dates
- Enumerated
- 2006-11-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Greta Gustafson's NPI number?
- Greta Gustafson's National Provider Identifier (NPI) is 1689748063, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greta Gustafson's specialty?
- Greta Gustafson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Greta Gustafson located?
- Greta Gustafson's practice location on file with NPPES is 19 W 34th St, New York, NY 10001-3006.
- What is Greta Gustafson's phone number?
- The practice phone number listed in the NPPES registry for Greta Gustafson is (212) 947-7111.
- Is Greta Gustafson's NPI active?
- Yes — Greta Gustafson's NPI (1689748063) 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.