HAROLD DUFOUR MED., LADC 1
NPI 1437515921
Counselor - Addiction (Substance Use Disorder) in Boston, MA

Q: What is Harold Dufour's NPI number?

The NPI number for Harold Dufour is 1437515921. It was assigned to this individual provider in the NPPES registry on January 13, 2016.

Q: What is Harold Dufour's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Q: When was this NPI record last updated?

The NPPES record for Harold Dufour was last updated on January 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since January 13, 2016

4 ATHERSTONE ST, BOSTON, MA 02124(339) 235-2405 Get Directions Write a Review

NPPES record last updated: January 13, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Harold Dufour Med., Ladc 1 NPPES

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

HAROLD DUFOUR MED., LADC 1 (NPI 1437515921) is an individual addiction (substance use disorder) provider in Boston, Massachusetts, licensed in Massachusetts (1051) and active in the NPI registry since January 2016.

NPPES Registry Identity

NPI1437515921

Entity TypeIndividualMale

Primary Taxonomy101YA0400X

Provider Legal NameHAROLD DUFOURCredential: MED., LADC 1

Location Address4 ATHERSTONE STBoston, MA 02124-3723

Mailing Address4 Atherstone StBoston, MA 02124-3723 · (339) 235-2405

Phone(339) 235-2405

Sole ProprietorYes

Enumeration DateJanuary 13, 2016

✔ NPI 1437515921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

License✔ Licensed in MA · 1051

4 ATHERSTONE ST, Boston, MA 02124

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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 Harold Dufour's NPI number?

The NPI number for Harold Dufour is 1437515921. It was assigned to this individual provider in the NPPES registry on January 13, 2016.

Where is Harold Dufour located?

Harold Dufour practices at 4 Atherstone St, Boston, MA 02124. The listed phone number is (339) 235-2405.

What is Harold Dufour's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Harold Dufour was last updated on January 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.