Walter Simpson, LCSW
NPI 1407308984 · Clinical Social Worker · Greenwich, CT
Walter Simpson, LCSW is a Clinical Social Worker provider in Greenwich, CT (NPI 1407308984).
Provider details
- NPI number
- 1407308984
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 098613 (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
9 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
- 2016-10-31
- Last updated
- 2022-02-25
- Certified
- 2022-02-25
Frequently asked questions
- What is Walter Simpson's NPI number?
- Walter Simpson's National Provider Identifier (NPI) is 1407308984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Simpson's specialty?
- Walter Simpson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Walter Simpson located?
- Walter Simpson's practice location on file with NPPES is 112 Mason St, Greenwich, CT 06830-6629.
- What is Walter Simpson's phone number?
- The practice phone number listed in the NPPES registry for Walter Simpson is (203) 249-2992.
- Is Walter Simpson's NPI active?
- Yes — Walter Simpson's NPI (1407308984) is active in the NPPES registry as of the last update on 2022-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.