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

DR. MATTHEW SPENCER BRIGNALL N.D.
NPI 1760538086
Naturopath in Seattle, WA

Active since January 27, 2007
3256 CALIFORNIA AVE SW, SEATTLE, WA 98116(206) 938-1393(206) 922-5322 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 3, 2026, Aug 22, 2024 (2 updates tracked since 2024).

About Dr. Matthew Spencer Brignall N.d. NPPES

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

DR. MATTHEW SPENCER BRIGNALL N.D. (NPI 1760538086) is an individual naturopath provider in Seattle, Washington, licensed in Washington (NT00000945) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1760538086
Entity TypeIndividualMale
Primary Taxonomy175F00000X
Provider Legal NameDR. MATTHEW SPENCER BRIGNALLCredential: N.D.
Location Address3256 CALIFORNIA AVE SWSeattle, WA 98116-3305
Mailing Address3256 California Ave SwSeattle, WA 98116-3305 · (206) 938-1393 · Fax (206) 922-5322
Fax(206) 922-5322
Sole ProprietorYes
Enumeration DateJanuary 27, 2007
Last NPPES UpdateSeptember 3, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2026
NPI 1760538086 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNaturopathOther Service Providers
Taxonomy Code175F00000X
License Licensed in WA · NT00000945
Definition
Diagnoses, treats, and cares for patients, using system of practice that bases treatment of physiological functions and abnormal conditions on natural laws governing human body: Utilizes physiological, psychological, and mechanical methods, such as air, water, light, heat, earth, phototherapy, food and herb therapy, psychotherapy, electrotherapy, physiotherapy, minor and orificial surgery, mechanotherapy, naturopathic corrections and manipulation, and natural methods or modalities, together with natural medicines, natural processed foods, and herbs and nature's remedies. Excludes major surgery, therapeutic use of x ray and radium, and use of drugs, except those assimilable substances containing elements or compounds which are components of body tissues and are physiologically compatible to body processes for maintenance of life.
3256 CALIFORNIA AVE SW, Seattle, WA 98116

Accepted Insurance

Other Providers at the Same Location NPPES 4

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

Naturopath
3256 CALIFORNIA AVE SW
SEATTLE, WA 98116
Naturopath
3256 CALIFORNIA AVE SW
SEATTLE, WA 98116
Naturopath
3256 CALIFORNIA AVE SW
SEATTLE, WA 98116
Naturopath
3256 CALIFORNIA AVE SW
SEATTLE, WA 98116

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 Brignall's NPI number?

The NPI number for Matthew Brignall is 1760538086. It was assigned to this individual provider in the NPPES registry on January 27, 2007.

Where is Matthew Brignall located?

Matthew Brignall practices at 3256 California Ave SW, Seattle, WA 98116. The listed phone number is (206) 938-1393.

What is Matthew Brignall's specialty?

The primary specialty registered for this NPI is Naturopath with taxonomy code 175F00000X.

What insurance does Matthew Brignall accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Matthew Brignall as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Matthew Brignall was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.