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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MATTSON COFFMAN SUDP
NPI 1073049136
Counselor - Addiction (Substance Use Disorder) in Seattle, WA

Active since May 11, 2017
10521 MERIDIAN AVE N, SEATTLE, WA 98133(253) 833-7444 Get Directions Write a Review

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 5, 2026, Sep 11, 2025, Apr 15, 2019 and 1 more (4 updates tracked since 2017).

About Mattson Coffman Sudp NPPES

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

MATTSON COFFMAN SUDP (NPI 1073049136) is an individual addiction (substance use disorder) provider in Seattle, Washington, licensed in Washington (CDP.CP.60390551) and active in the NPI registry since May 2017.

NPPES Registry Identity

NPI1073049136
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMATTSON COFFMANCredential: SUDP
Location Address10521 MERIDIAN AVE NSeattle, WA 98133-9509
Mailing Address325 W Gowe StKent, WA 98032-5892 · (253) 833-7444 · Fax (253) 661-8631
Phone(253) 833-7444
Sole ProprietorNo
Enumeration DateMay 11, 2017
Last NPPES UpdateAugust 5, 20264 updates tracked since enumeration
NPPES CertifiedAugust 5, 2026
✔ NPI 1073049136 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 WA · CDP.CP.60390551
10521 MERIDIAN AVE N, Seattle, WA 98133
Open in Google Maps ↗

Other Identifiers 1

Medicaid2119609WA

Other Providers at the Same Location NPPES 20

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

DR. GABIJA REVIS DMD
Dentist
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (206) 296-4990
DR. WOO JIN PARK D.M.D.
Dentist
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (206) 296-4990
KRISTIN VAN DE KAMP SUDPT
Student in an Organized Health Care Education/Training Program
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (253) 833-7444
LILY ELISE CLEE CNM, WHNP
Advanced Practice Midwife
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (206) 296-4990
ALEXIS LOCAY BRITO DDS
Dentist
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (206) 296-4990
SAMANTHA GOLDISH LICSW
Social Worker (Clinical)
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (253) 259-6170
JENA LOPEZ
Counselor
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (253) 833-7444
MONA WIGGINS D.N.P.
Nurse Practitioner (Family)
10521 MERIDIAN AVE N
SEATTLE, WA 98133
King County (206) 296-4990

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 Mattson Coffman's NPI number?

The NPI number for Mattson Coffman is 1073049136. It was assigned to this individual provider in the NPPES registry on May 11, 2017.

Where is Mattson Coffman located?

Mattson Coffman practices at 10521 Meridian Ave N, Seattle, WA 98133. The listed phone number is (253) 833-7444.

What is Mattson Coffman'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 Mattson Coffman was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.