IndividualActive
Margaret Williams
NPI 1083099386 · Mental Health Counselor · Chelsea, MA
Margaret Williams is a Mental Health Counselor provider in Chelsea, MA (NPI 1083099386).
Provider details
- NPI number
- 1083099386
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(67/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
83% 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
70 Everett Ave
Suite 515
Chelsea, MA 02150-2376
Phone: (617) 466-6650
Street-level locationGet directions
Mailing address
70 Everett Ave
Chelsea, MA 02150-2376
Registry dates
- Enumerated
- 2015-07-28
- Last updated
- 2015-07-28
Frequently asked questions
- What is Margaret Williams's NPI number?
- Margaret Williams's National Provider Identifier (NPI) is 1083099386, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Williams's specialty?
- Margaret Williams is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Margaret Williams located?
- Margaret Williams's practice location on file with NPPES is 70 Everett Ave, Chelsea, MA 02150-2376.
- What is Margaret Williams's phone number?
- The practice phone number listed in the NPPES registry for Margaret Williams is (617) 466-6650.
- Is Margaret Williams's NPI active?
- Yes — Margaret Williams's NPI (1083099386) is active in the NPPES registry as of the last update on 2015-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.