Johanna Hammer, LICSW
NPI 1649381260 · Clinical Social Worker · South Hadley, MA
Johanna Hammer, LICSW is a Clinical Social Worker provider in South Hadley, MA (NPI 1649381260).
Provider details
- NPI number
- 1649381260
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- 111100 (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
- 2006-08-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Johanna Hammer's NPI number?
- Johanna Hammer's National Provider Identifier (NPI) is 1649381260, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johanna Hammer's specialty?
- Johanna Hammer is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Johanna Hammer located?
- Johanna Hammer's practice location on file with NPPES is 9 College St, South Hadley, MA 01075-1421.
- What is Johanna Hammer's phone number?
- The practice phone number listed in the NPPES registry for Johanna Hammer is (413) 534-7400.
- Is Johanna Hammer's NPI active?
- Yes — Johanna Hammer's NPI (1649381260) 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.