IndividualActive
William Paterwic, LICSW
NPI 1265919583 · Social Worker · Springfield, MA
William Paterwic, LICSW is a Social Worker provider in Springfield, MA (NPI 1265919583).
Provider details
- NPI number
- 1265919583
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Male
- Sole proprietor
- No
- License
- 119903 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(68/100 index)
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
3300 Main Street
Springfield, MA 01007
Phone: (413) 794-7459
Fax: (413) 794-7173
Street-level locationGet directions
Mailing address
187 Warner St
Belchertown, MA 01007-9311
Registry dates
- Enumerated
- 2018-07-20
- Last updated
- 2018-07-20
Frequently asked questions
- What is William Paterwic's NPI number?
- William Paterwic's National Provider Identifier (NPI) is 1265919583, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Paterwic's specialty?
- William Paterwic is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is William Paterwic located?
- William Paterwic's practice location on file with NPPES is 3300 Main Street, Springfield, MA 01007.
- What is William Paterwic's phone number?
- The practice phone number listed in the NPPES registry for William Paterwic is (413) 794-7459.
- Is William Paterwic's NPI active?
- Yes — William Paterwic's NPI (1265919583) is active in the NPPES registry as of the last update on 2018-07-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.