KATHERINE JOAN DECKER MA
NPI 1023934239
Counselor - Mental Health in Brookline, MA

Active since June 24, 2026
824-826 BOYLSTON STREET, SUITE 100B, BROOKLINE, MA 02467(617) 468-4624 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Katherine Joan Decker Ma NPPES

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

KATHERINE JOAN DECKER MA (NPI 1023934239) is an individual mental health provider in Brookline, Massachusetts and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1023934239
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameKATHERINE JOAN DECKERCredential: MA
Location Address824-826 BOYLSTON STREET, SUITE 100BBrookline, MA 02467
Mailing Address824-826 Boylston Street, Suite 100bBrookline, MA 02467
Sole ProprietorNo
Enumeration DateJune 24, 2026
NPPES CertifiedJune 5, 2026
NPI 1023934239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
824-826 BOYLSTON STREET, Brookline, MA 02467

Other Providers at the Same Location NPPES

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

Counselor (Mental Health)
824-826 BOYLSTON STREET, SUITE 100B
BROOKLINE, MA 02467

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 Katherine Decker's NPI number?

The NPI number for Katherine Decker is 1023934239. It was assigned to this individual provider in the NPPES registry on June 24, 2026.

Where is Katherine Decker located?

Katherine Decker practices at 824-826 Boylston Street Suite 100B, Brookline, MA 02467. The listed phone number is (617) 468-4624.

What is Katherine Decker'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 Katherine Decker was last updated on June 24, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.