Brianna Brennan, MSW, LICSW
NPI 1689209603 · Clinical Social Worker · Cambridge, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brianna Brennan, MSW, LICSW is a Clinical Social Worker provider in Cambridge, MA (NPI 1689209603).
Provider details
- NPI number
- 1689209603
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- LICSW122474 (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
- 2020-03-10
- Last updated
- 2023-12-27
- Certified
- 2023-12-27
Frequently asked questions
- What is Brianna Brennan's NPI number?
- Brianna Brennan's National Provider Identifier (NPI) is 1689209603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brianna Brennan's specialty?
- Brianna Brennan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Brianna Brennan located?
- Brianna Brennan's practice location on file with NPPES is 875 Massachusetts Ave # 4-1, Cambridge, MA 02139-3067.
- What is Brianna Brennan's phone number?
- The practice phone number listed in the NPPES registry for Brianna Brennan is (617) 996-8821.
- Does Brianna Brennan accept Medicare?
- Brianna Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brianna Brennan's NPI active?
- Yes — Brianna Brennan's NPI (1689209603) is active in the NPPES registry as of the last update on 2023-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.