KATHLEEN O'BRIEN LMHC
NPI 1437849775
Counselor - Mental Health in Worcester, MA

Active since May 10, 2023
299 LINCOLN ST, WORCESTER, MA 01605(774) 206-1125 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 20, 2025, May 10, 2023 (2 updates tracked since 2023).

About Kathleen O'brien Lmhc NPPES

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

KATHLEEN O'BRIEN LMHC (NPI 1437849775) is an individual mental health provider in Worcester, Massachusetts and active in the NPI registry since May 2023.

NPPES Registry Identity

NPI1437849775
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameKATHLEEN O'BRIENCredential: LMHC
Location Address299 LINCOLN STWorcester, MA 01605-3646
Mailing Address57 3rd StWorcester, MA 01602-3184 · (774) 314-0426
Sole ProprietorNo
Enumeration DateMay 10, 2023
Last NPPES UpdateNovember 20, 20252 updates tracked since enumeration
NPPES CertifiedNovember 20, 2025
NPI 1437849775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
299 LINCOLN ST, Worcester, MA 01605

Other Providers at the Same Location NPPES 13

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

Specialist
299 LINCOLN ST
WORCESTER, MA 01605
Podiatrist (Foot Surgery)
299 LINCOLN ST, SUITE 202
WORCESTER, MA 01605
Podiatrist
299 LINCOLN ST, SUITE 202
WORCESTER, MA 01605
Plastic Surgery (Surgery of the Hand)
299 LINCOLN ST, SUITE 201
WORCESTER, MA 01605
Dentist (Oral and Maxillofacial Surgery)
299 LINCOLN ST, SUITE 204
WORCESTER, MA 01605
Clinic/Center (Primary Care)
299 LINCOLN ST, SUITE 201
WORCESTER, MA 01605
Podiatrist (Foot Surgery)
299 LINCOLN ST, SUITE 202
WORCESTER, MA 01605
Dentist (Oral and Maxillofacial Surgery)
299 LINCOLN ST, SUITE 204
WORCESTER, MA 01605

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 Kathleen O'brien's NPI number?

The NPI number for Kathleen O'brien is 1437849775. It was assigned to this individual provider in the NPPES registry on May 10, 2023.

Where is Kathleen O'brien located?

Kathleen O'brien practices at 299 Lincoln St, Worcester, MA 01605. The listed phone number is (774) 206-1125.

What is Kathleen O'brien's specialty?

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

When was this NPI record last updated?

The NPPES record for Kathleen O'brien was last updated on November 20, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.