James Siemianowski
NPI 1417415944 · Clinical Social Worker · West Springfield, MA
James Siemianowski is a Clinical Social Worker provider in West Springfield, MA (NPI 1417415944).
Provider details
- NPI number
- 1417415944
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 105844 (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
7 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
- 2019-03-04
- Last updated
- 2019-03-04
Frequently asked questions
- What is James Siemianowski's NPI number?
- James Siemianowski's National Provider Identifier (NPI) is 1417415944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Siemianowski's specialty?
- James Siemianowski is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is James Siemianowski located?
- James Siemianowski's practice location on file with NPPES is 32 Brewster Rd, West Springfield, MA 01089-2112.
- What is James Siemianowski's phone number?
- The practice phone number listed in the NPPES registry for James Siemianowski is (413) 313-5111.
- Is James Siemianowski's NPI active?
- Yes — James Siemianowski's NPI (1417415944) is active in the NPPES registry as of the last update on 2019-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.