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MATTHEW CLAUSEN MFTC, LPCC, MA
NPI 1255099792
Marriage & Family Therapist in Boulder, CO

Active since December 01, 2021
350 BROADWAY ST STE 102, BOULDER, CO 80305(303) 335-9308 Get Directions Write a Review

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

About Matthew Clausen Mftc, Lpcc, Ma NPPES

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

MATTHEW CLAUSEN MFTC, LPCC, MA (NPI 1255099792) is an individual marriage & family therapist in Boulder, Colorado, licensed in Colorado (MFTC.0014501) and active in the NPI registry since December 2021.

NPPES Registry Identity

NPI1255099792
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMATTHEW CLAUSENCredential: MFTC, LPCC, MA
Location Address350 BROADWAY ST STE 102Boulder, CO 80305-3300
Mailing AddressPo Box 3582Boulder, CO 80307-3582 · (303) 335-9308
Phone(303) 335-9308
Sole ProprietorNo
Enumeration DateDecember 1, 2021
Last NPPES UpdateFebruary 10, 2026
NPPES CertifiedFebruary 10, 2026
✔ NPI 1255099792 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CO · MFTC.0014501
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License LPCC.0020882 (CO)
350 BROADWAY ST STE 102, Boulder, CO 80305
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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.

JOANNE NEIMAN LPC
Counselor (Professional)
350 BROADWAY ST STE 102
BOULDER, CO 80305
Boulder County (303) 442-4676
CLAUSEN THERAPY, PLLC
Marriage & Family Therapist
350 BROADWAY ST STE 102
BOULDER, CO 80305
Boulder County (303) 335-9308
JOURNEY INWARD COUNSELING LLC
Counselor (Mental Health)
350 BROADWAY ST STE 102
BOULDER, CO 80305
Boulder County (720) 263-0334

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 Matthew Clausen's NPI number?

The NPI number for Matthew Clausen is 1255099792. It was assigned to this individual provider in the NPPES registry on December 1, 2021.

Where is Matthew Clausen located?

Matthew Clausen practices at 350 Broadway St Ste 102, Boulder, CO 80305. The listed phone number is (303) 335-9308.

What is Matthew Clausen's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Matthew Clausen was last updated on February 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.