BRIANNA LEIGH BRENNAN MSW, LICSW
NPI 1689209603
Social Worker - Clinical in Cambridge, MA

Active since March 10, 2020PECOS Enrolled
875 MASSACHUSETTS AVE # 4-1, CAMBRIDGE, MA 02139(617) 996-8821(617) 812-1697 Get Directions Write a Review

NPPES record last updated: December 27, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Nov 15, 2023, Mar 10, 2020 (2 updates tracked since 2020).

About Brianna Leigh Brennan Msw, Licsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRIANNA LEIGH BRENNAN MSW, LICSW (NPI 1689209603) is an individual clinical provider in Cambridge, Massachusetts, licensed in Massachusetts (LICSW122474) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689209603
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameBRIANNA LEIGH BRENNANCredential: MSW, LICSW
Location Address875 MASSACHUSETTS AVE # 4-1Cambridge, MA 02139-3067
Mailing Address875 Massachusetts Ave # 4-1Cambridge, MA 02139-3067 · (617) 996-8821 · Fax (617) 812-1697
Fax(617) 812-1697
Sole ProprietorNo
Enumeration DateMarch 10, 2020
Last NPPES UpdateDecember 27, 20232 updates tracked since enumeration
NPPES CertifiedDecember 27, 2023
NPI 1689209603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in MA · LICSW122474
Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

875 MASSACHUSETTS AVE # 4-1, Cambridge, MA 02139

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Brianna Leigh Brennan Msw, Licsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02139 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $63.72 – $189.86
Typical copayment $0.00 (range $15.93 – $47.46)
Most-billed visit code NA
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
875 MASSACHUSETTS AVE # 4-1
CAMBRIDGE, MA 02139
Counselor (Mental Health)
875 MASSACHUSETTS AVE # 4-1
CAMBRIDGE, MA 02139
Counselor (Mental Health)
875 MASSACHUSETTS AVE # 4-1
CAMBRIDGE, MA 02139

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brianna Brennan's NPI number?

The NPI number for Brianna Brennan is 1689209603. It was assigned to this individual provider in the NPPES registry on March 10, 2020.

Where is Brianna Brennan located?

Brianna Brennan practices at 875 Massachusetts Ave # 4-1, Cambridge, MA 02139. The listed phone number is (617) 996-8821.

What is Brianna Brennan's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Brianna Brennan enrolled in Medicare?

Yes. Brianna Brennan is registered in the Medicare PECOS enrollment system.

What insurance does Brianna Brennan accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Brianna Brennan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Brianna Brennan was last updated on December 27, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.