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Jeffrey Klein, LCSW
NPI 1518017953 · Clinical Social Worker · Larchmont, NY
Jeffrey Klein, LCSW is a Clinical Social Worker provider in Larchmont, NY (NPI 1518017953).
Provider details
- NPI number
- 1518017953
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- PR-022928-1 (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
4 Chatsworth Ave
Larchmont, NY 10538-2946
Phone: (914) 834-6488
Street-level locationGet directions
Mailing address
Po Box 823
Larchmont, NY 10538-0823
Registry dates
- Enumerated
- 2007-01-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jeffrey Klein's NPI number?
- Jeffrey Klein's National Provider Identifier (NPI) is 1518017953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Klein's specialty?
- Jeffrey Klein is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jeffrey Klein located?
- Jeffrey Klein's practice location on file with NPPES is 4 Chatsworth Ave, Larchmont, NY 10538-2946.
- What is Jeffrey Klein's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Klein is (914) 834-6488.
- Is Jeffrey Klein's NPI active?
- Yes — Jeffrey Klein's NPI (1518017953) 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.