IndividualActive
William Hartigan, LCSW
NPI 1730630245 · Clinical Social Worker · Boston, MA
William Hartigan, LCSW is a Clinical Social Worker provider in Boston, MA (NPI 1730630245).
Provider details
- NPI number
- 1730630245
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 221391 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
800 Washington St
Box 790
Boston, MA 02111-1552
Phone: (617) 636-5000
Street-level locationGet directions
Mailing address
800 Washington St
Boston, MA 02111-1552
Registry dates
- Enumerated
- 2016-10-19
- Last updated
- 2018-10-17
Frequently asked questions
- What is William Hartigan's NPI number?
- William Hartigan's National Provider Identifier (NPI) is 1730630245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hartigan's specialty?
- William Hartigan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Hartigan located?
- William Hartigan's practice location on file with NPPES is 800 Washington St, Boston, MA 02111-1552.
- What is William Hartigan's phone number?
- The practice phone number listed in the NPPES registry for William Hartigan is (617) 636-5000.
- Is William Hartigan's NPI active?
- Yes — William Hartigan's NPI (1730630245) is active in the NPPES registry as of the last update on 2018-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.