Larry Klein, MSW
NPI 1659393072 · Clinical Social Worker · New York, NY
Larry Klein, MSW is a Clinical Social Worker provider in New York, NY (NPI 1659393072).
Provider details
- NPI number
- 1659393072
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 051596-1 (NY)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Larry Klein's NPI number?
- Larry Klein's National Provider Identifier (NPI) is 1659393072, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larry Klein's specialty?
- Larry Klein is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Larry Klein located?
- Larry Klein's practice location on file with NPPES is 55 Water St, New York, NY 10041-0004.
- What is Larry Klein's phone number?
- The practice phone number listed in the NPPES registry for Larry Klein is (646) 447-7266.
- Is Larry Klein's NPI active?
- Yes — Larry Klein's NPI (1659393072) 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.