Charles Clark, MSSS
NPI 1265571384 · Clinical Social Worker · Brookline, MA
Charles Clark, MSSS is a Clinical Social Worker provider in Brookline, MA (NPI 1265571384).
Provider details
- NPI number
- 1265571384
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSSS
- Sex
- Male
- Sole proprietor
- No
- License
- 100307 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
19 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
- 2007-02-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Clark's NPI number?
- Charles Clark's National Provider Identifier (NPI) is 1265571384, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Clark's specialty?
- Charles Clark is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Charles Clark located?
- Charles Clark's practice location on file with NPPES is 45 Bartlett Crescent, Brookline, MA 02446.
- What is Charles Clark's phone number?
- The practice phone number listed in the NPPES registry for Charles Clark is (617) 566-3105.
- Is Charles Clark's NPI active?
- Yes — Charles Clark's NPI (1265571384) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.