Jennifer Sell-Knapp, MSW
NPI 1811252174 · Clinical Social Worker · Greenfield, MA
Jennifer Sell-Knapp, MSW is a Clinical Social Worker provider in Greenfield, MA (NPI 1811252174).
Provider details
- NPI number
- 1811252174
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
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
14 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
Mailing address
Registry dates
- Enumerated
- 2012-07-11
- Last updated
- 2012-07-11
Frequently asked questions
- What is Jennifer Sell-Knapp's NPI number?
- Jennifer Sell-Knapp's National Provider Identifier (NPI) is 1811252174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Sell-Knapp's specialty?
- Jennifer Sell-Knapp is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jennifer Sell-Knapp located?
- Jennifer Sell-Knapp's practice location on file with NPPES is 111 Federal St, Greenfield, MA 01301-2501.
- What is Jennifer Sell-Knapp's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Sell-Knapp is (413) 737-9544.
- Is Jennifer Sell-Knapp's NPI active?
- Yes — Jennifer Sell-Knapp's NPI (1811252174) is active in the NPPES registry as of the last update on 2012-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.