Jennifer Brennan, LICSW
NPI 1821155565 · Clinical Social Worker · Whitman, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Brennan, LICSW is a Clinical Social Worker provider in Whitman, MA (NPI 1821155565).
Provider details
- NPI number
- 1821155565
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 117360 (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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 80 Washington StSuite C-17Norwell, MA 02061-1740Phone: (781) 656-5309
Registry dates
- Enumerated
- 2007-01-02
- Last updated
- 2021-05-28
- Certified
- 2021-05-28
Frequently asked questions
- What is Jennifer Brennan's NPI number?
- Jennifer Brennan's National Provider Identifier (NPI) is 1821155565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Brennan's specialty?
- Jennifer Brennan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jennifer Brennan located?
- Jennifer Brennan's practice location on file with NPPES is 534 Hogg Memorial Dr, Whitman, MA 02382-1831.
- What is Jennifer Brennan's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Brennan is (617) 515-2656.
- Does Jennifer Brennan accept Medicare?
- Jennifer Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Brennan's NPI active?
- Yes — Jennifer Brennan's NPI (1821155565) is active in the NPPES registry as of the last update on 2021-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.