Marnie Grossman, LCSW
NPI 1407191000 · Clinical Social Worker · Millburn, NJ
Marnie Grossman, LCSW is a Clinical Social Worker provider in Millburn, NJ (NPI 1407191000).
Provider details
- NPI number
- 1407191000
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 44SL05800200 (NJ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
Mailing address
Registry dates
- Enumerated
- 2012-12-07
- Last updated
- 2015-03-31
Frequently asked questions
- What is Marnie Grossman's NPI number?
- Marnie Grossman's National Provider Identifier (NPI) is 1407191000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marnie Grossman's specialty?
- Marnie Grossman is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marnie Grossman located?
- Marnie Grossman's practice location on file with NPPES is 318 Main St, Millburn, NJ 07041-1181.
- What is Marnie Grossman's phone number?
- The practice phone number listed in the NPPES registry for Marnie Grossman is (973) 919-4735.
- Is Marnie Grossman's NPI active?
- Yes — Marnie Grossman's NPI (1407191000) is active in the NPPES registry as of the last update on 2015-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.