Molly Williamson, MSW, LICSW
NPI 1285111963 · Clinical Social Worker · Boston, MA
Molly Williamson, MSW, LICSW is a Clinical Social Worker provider in Boston, MA (NPI 1285111963).
Provider details
- NPI number
- 1285111963
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- 120698 (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
- 2018-07-25
- Last updated
- 2018-07-25
Frequently asked questions
- What is Molly Williamson's NPI number?
- Molly Williamson's National Provider Identifier (NPI) is 1285111963, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Molly Williamson's specialty?
- Molly Williamson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Molly Williamson located?
- Molly Williamson's practice location on file with NPPES is 450 Brookline Ave, Boston, MA 02215-5450.
- What is Molly Williamson's phone number?
- The practice phone number listed in the NPPES registry for Molly Williamson is (617) 582-9617.
- Is Molly Williamson's NPI active?
- Yes — Molly Williamson's NPI (1285111963) is active in the NPPES registry as of the last update on 2018-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.