Thomas Dorrance, MSW
NPI 1912900424 · Clinical Social Worker · Littleton, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Dorrance, MSW is a Clinical Social Worker provider in Littleton, MA (NPI 1912900424).
Provider details
- NPI number
- 1912900424
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 104907 (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
21 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
- 2005-05-30
- Last updated
- 2026-03-30
- Certified
- 2026-03-30
Frequently asked questions
- What is Thomas Dorrance's NPI number?
- Thomas Dorrance's National Provider Identifier (NPI) is 1912900424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Dorrance's specialty?
- Thomas Dorrance is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Thomas Dorrance located?
- Thomas Dorrance's practice location on file with NPPES is 442 King St, Littleton, MA 01460-1251.
- What is Thomas Dorrance's phone number?
- The practice phone number listed in the NPPES registry for Thomas Dorrance is (978) 314-7299.
- Does Thomas Dorrance accept Medicare?
- Thomas Dorrance is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Dorrance's NPI active?
- Yes — Thomas Dorrance's NPI (1912900424) is active in the NPPES registry as of the last update on 2026-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.