Jeffrey Williams
NPI 1386997807 · Clinical Social Worker · Allston, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Williams is a Clinical Social Worker provider in Allston, MA (NPI 1386997807).
Provider details
- NPI number
- 1386997807
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 105665 (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
13 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
- 2012-10-22
- Last updated
- 2012-10-22
Frequently asked questions
- What is Jeffrey Williams's NPI number?
- Jeffrey Williams's National Provider Identifier (NPI) is 1386997807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Williams's specialty?
- Jeffrey Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jeffrey Williams located?
- Jeffrey Williams's practice location on file with NPPES is 14 Fordham Rd, Allston, MA 02134-3006.
- What is Jeffrey Williams's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Williams is (617) 782-6460.
- Does Jeffrey Williams accept Medicare?
- Jeffrey Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Williams's NPI active?
- Yes — Jeffrey Williams's NPI (1386997807) is active in the NPPES registry as of the last update on 2012-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.