ALEXANDRA LEIGH O'BRIEN-DUKES LMHC
NPI 1952950420
Counselor - Mental Health in Cambridge, MA

Active since September 08, 2019
12 INMAN ST, CAMBRIDGE, MA 02139(617) 383-7134 Get Directions Write a Review

NPPES record last updated: December 23, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 23, 2025, May 16, 2023, Aug 20, 2020 and 1 more (4 updates tracked since 2019).

About Alexandra Leigh O'brien-dukes Lmhc NPPES

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

ALEXANDRA LEIGH O'BRIEN-DUKES LMHC (NPI 1952950420) is an individual mental health provider in Cambridge, Massachusetts and active in the NPI registry since September 2019.

NPPES Registry Identity

NPI1952950420
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameALEXANDRA LEIGH O'BRIEN-DUKESCredential: LMHC
Location Address12 INMAN STCambridge, MA 02139-2423
Mailing Address58 Flint StSomerville, MA 02145-4106 · (860) 728-9134
Sole ProprietorYes
Enumeration DateSeptember 8, 2019
Last NPPES UpdateDecember 23, 20254 updates tracked since enumeration
NPPES CertifiedDecember 23, 2025
NPI 1952950420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
12 INMAN ST, Cambridge, MA 02139

Other Names 1

Former Name (1)Alexandra Leigh Wilcox

Accepted Insurance

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.

Psychologist
12 INMAN ST
CAMBRIDGE, MA 02139
Counselor (Mental Health)
12 INMAN ST
CAMBRIDGE, MA 02139
Counselor (Mental Health)
12 INMAN ST
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 Alexandra O'brien-dukes's NPI number?

The NPI number for Alexandra O'brien-dukes is 1952950420. It was assigned to this individual provider in the NPPES registry on September 8, 2019. The provider is also known as Alexandra Leigh Wilcox.

Where is Alexandra O'brien-dukes located?

Alexandra O'brien-dukes practices at 12 Inman St, Cambridge, MA 02139. The listed phone number is (617) 383-7134.

What is Alexandra O'brien-dukes's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

What insurance does Alexandra O'brien-dukes accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Alexandra O'brien-dukes 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 Alexandra O'brien-dukes was last updated on December 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.