IndividualActive
Sonya Klein, LCSW
NPI 1033514237 · Clinical Social Worker · Norwalk, CT
Sonya Klein, LCSW is a Clinical Social Worker provider in Norwalk, CT (NPI 1033514237).
Provider details
- NPI number
- 1033514237
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
83% 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
94 East Ave
Norwalk, CT 06851-5024
Phone: (513) 512-4517
Fax: (203) 202-9421
Street-level locationGet directions
Mailing address
16 Morley Ln
Darien, CT 06820-6018
Registry dates
- Enumerated
- 2014-10-30
- Last updated
- 2020-06-27
- Certified
- 2020-06-27
Frequently asked questions
- What is Sonya Klein's NPI number?
- Sonya Klein's National Provider Identifier (NPI) is 1033514237, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonya Klein's specialty?
- Sonya Klein is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sonya Klein located?
- Sonya Klein's practice location on file with NPPES is 94 East Ave, Norwalk, CT 06851-5024.
- What is Sonya Klein's phone number?
- The practice phone number listed in the NPPES registry for Sonya Klein is (513) 512-4517.
- Is Sonya Klein's NPI active?
- Yes — Sonya Klein's NPI (1033514237) is active in the NPPES registry as of the last update on 2020-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.