Emily Williamson, LCSW
NPI 1942837737 · Clinical Social Worker · Cambridge, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Emily Williamson, LCSW is a Clinical Social Worker provider in Cambridge, MA (NPI 1942837737).
Provider details
- NPI number
- 1942837737
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 224451 (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
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
- 2020-03-24
- Last updated
- 2020-03-24
- Certified
- 2020-03-24
Frequently asked questions
- What is Emily Williamson's NPI number?
- Emily Williamson's National Provider Identifier (NPI) is 1942837737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Emily Williamson's specialty?
- Emily Williamson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Emily Williamson located?
- Emily Williamson's practice location on file with NPPES is 1493 Cambridge St, Cambridge, MA 02139-1099.
- What is Emily Williamson's phone number?
- The practice phone number listed in the NPPES registry for Emily Williamson is (617) 665-2054.
- Does Emily Williamson accept Medicare?
- Emily Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Emily Williamson's NPI active?
- Yes — Emily Williamson's NPI (1942837737) is active in the NPPES registry as of the last update on 2020-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.