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MS. CLAIRE BRENNAN LCSW
NPI 1154600666
Social Worker - Clinical in Newton, MA

Active since August 15, 2011PECOS EnrolledAccepts Medicare Assignment
64 ELDREDGE STREET, NEWTON, MA 02458(617) 969-4925 Get Directions Write a Review

NPPES record last updated: June 1, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Claire Brennan Lcsw NPPES

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

MS. CLAIRE BRENNAN LCSW (NPI 1154600666) is an individual clinical provider in Newton, Massachusetts, licensed in Massachusetts (218148) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1154600666
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. CLAIRE BRENNANCredential: LCSW
Location Address64 ELDREDGE STREETNewton, MA 02458
Mailing Address64 Eldredge StreetNewton, MA 02458 · (617) 969-4925
Phone(617) 969-4925
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateAugust 15, 2011
Last NPPES UpdateJune 1, 2023
NPPES CertifiedJune 1, 2023
✔ NPI 1154600666 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 · 218148
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.
64 ELDREDGE STREET, Newton, MA 02458
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Other Names 1

Former Name (1)Ms. Claire Brennan Tillberg

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Claire Brennan Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6103346283
PECOS Enrollment IDI20250219002259
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 02458 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

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

KATHLEEN S. BARRETT
Counselor (Mental Health)
64 ELDREDGE STREET
NEWTON, MA 02458
Middlesex County (508) 653-8135

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 Claire Brennan's NPI number?

The NPI number for Claire Brennan is 1154600666. It was assigned to this individual provider in the NPPES registry on August 15, 2011. The provider is also known as Ms. Claire Brennan Tillberg.

Where is Claire Brennan located?

Claire Brennan practices at 64 Eldredge Street, Newton, MA 02458. The listed phone number is (617) 969-4925.

What is Claire Brennan's specialty?

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

Is Claire Brennan enrolled in Medicare?

Yes. Claire Brennan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Claire Brennan was last updated on June 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.