Martin Greenstein, LICSW
NPI 1457687360 · Clinical Social Worker · North Adams, MA
Martin Greenstein, LICSW is a Clinical Social Worker provider in North Adams, MA (NPI 1457687360).
Provider details
- NPI number
- 1457687360
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Male
- Sole proprietor
- No
- License
- 107370 (MA)
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
16 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
- 2009-10-28
- Last updated
- 2009-10-28
Frequently asked questions
- What is Martin Greenstein's NPI number?
- Martin Greenstein's National Provider Identifier (NPI) is 1457687360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Greenstein's specialty?
- Martin Greenstein is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Martin Greenstein located?
- Martin Greenstein's practice location on file with NPPES is 71 Hospital Avenue, North Adams, MA 01247-2504.
- What is Martin Greenstein's phone number?
- The practice phone number listed in the NPPES registry for Martin Greenstein is (413) 664-5000.
- Is Martin Greenstein's NPI active?
- Yes — Martin Greenstein's NPI (1457687360) is active in the NPPES registry as of the last update on 2009-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.