IndividualActive
Steven Grossman, LCSW
NPI 1255420659 · Clinical Social Worker · New York, NY
Steven Grossman, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1255420659).
Provider details
- NPI number
- 1255420659
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- R24575 (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
345 Riverside Dr
Apt 5f
New York, NY 10025-3404
Phone: (212) 663-8364
Street-level locationGet directions
Mailing address
345 Riverside Dr
New York, NY 10025-3404
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Steven Grossman's NPI number?
- Steven Grossman's National Provider Identifier (NPI) is 1255420659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Grossman's specialty?
- Steven Grossman is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Steven Grossman located?
- Steven Grossman's practice location on file with NPPES is 345 Riverside Dr, New York, NY 10025-3404.
- What is Steven Grossman's phone number?
- The practice phone number listed in the NPPES registry for Steven Grossman is (212) 663-8364.
- Is Steven Grossman's NPI active?
- Yes — Steven Grossman's NPI (1255420659) 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.