COLETTE DUFFY LCSW
NPI 1447809553
Social Worker - Clinical in Boston, MA

Active since September 11, 2019PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: November 10, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 10, 2025, Sep 11, 2019 (2 updates tracked since 2019).

About Colette Duffy Lcsw NPPES

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

COLETTE DUFFY LCSW (NPI 1447809553) is an individual clinical provider in Boston, Massachusetts, licensed in Massachusetts (223396) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1447809553
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameCOLETTE DUFFYCredential: LCSW
Location Address84 STATE STBoston, MA 02109-2202
Mailing AddressPo Box 1595Middletown, CT 06457-8095
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateSeptember 11, 2019
Last NPPES UpdateNovember 10, 20252 updates tracked since enumeration
NPPES CertifiedNovember 10, 2025
NPI 1447809553 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 · 223396
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.
84 STATE ST, Boston, MA 02109

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

Colette Duffy 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 ID9739671199
PECOS Enrollment IDI20251124000099, I20251124000363
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 02109 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 19

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

Psychologist (Clinical)
84 STATE ST
BOSTON, MA 02109
Psychologist (Clinical)
84 STATE ST
BOSTON, MA 02109
Psychiatry & Neurology (Psychiatry)
84 STATE ST, SUITE 660
BOSTON, MA 02109
Family Medicine
84 STATE ST
BOSTON, MA 02109
Preventive Medicine (Obesity Medicine)
84 STATE ST
BOSTON, MA 02109
Nurse Practitioner (Family)
84 STATE ST, SUITE 660
BOSTON, MA 02109
Nurse Practitioner (Family)
84 STATE ST
BOSTON, MA 02109
Psychologist (Clinical)
84 STATE ST
BOSTON, MA 02109

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 Colette Duffy's NPI number?

The NPI number for Colette Duffy is 1447809553. It was assigned to this individual provider in the NPPES registry on September 11, 2019.

Where is Colette Duffy located?

Colette Duffy practices at 84 State St, Boston, MA 02109. The listed phone number is (860) 788-6404.

What is Colette Duffy's specialty?

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

Is Colette Duffy enrolled in Medicare?

Yes. Colette Duffy 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 Colette Duffy was last updated on November 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.