John Gallagher, LCSW
NPI 1871126466 · Clinical Social Worker · Woburn, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Gallagher, LCSW is a Clinical Social Worker provider in Woburn, MA (NPI 1871126466).
Provider details
- NPI number
- 1871126466
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- LICSW1142409 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
6 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
- 2020-02-21
- Last updated
- 2026-03-12
- Certified
- 2026-03-12
Frequently asked questions
- What is John Gallagher's NPI number?
- John Gallagher's National Provider Identifier (NPI) is 1871126466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gallagher's specialty?
- John Gallagher is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is John Gallagher located?
- John Gallagher's practice location on file with NPPES is 15 Highet Ave, Woburn, MA 01801-2434.
- What is John Gallagher's phone number?
- The practice phone number listed in the NPPES registry for John Gallagher is (857) 498-1254.
- Does John Gallagher accept Medicare?
- John Gallagher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Gallagher's NPI active?
- Yes — John Gallagher's NPI (1871126466) is active in the NPPES registry as of the last update on 2026-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.