Constance Kellogg, LICSW
NPI 1912115650 · Clinical Social Worker · Southwick, MA
Constance Kellogg, LICSW is a Clinical Social Worker provider in Southwick, MA (NPI 1912115650).
Provider details
- NPI number
- 1912115650
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 103858 (MA)
Specialties & taxonomies
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
- 2007-05-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Constance Kellogg's NPI number?
- Constance Kellogg's National Provider Identifier (NPI) is 1912115650, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constance Kellogg's specialty?
- Constance Kellogg is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Constance Kellogg located?
- Constance Kellogg's practice location on file with NPPES is 377 N Loomis St, Southwick, MA 01077-9692.
- What is Constance Kellogg's phone number?
- The practice phone number listed in the NPPES registry for Constance Kellogg is (413) 569-3335.
- Is Constance Kellogg's NPI active?
- Yes — Constance Kellogg's NPI (1912115650) 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.