Active NPI
Matthew Brignall, ND
- Naturopath
- Seattle, WA
National Provider Identifier
1689586018
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Naturopath
- Legal business name
- MATTHEW BRIGNALL, ND
- Practice address
- 3256 California Ave SW
Seattle, WA 98116-3305 - Phone
- (206) 938-1393
- Fax
- (206) 922-5322
- NPI assigned
- Sep 21, 2026
- Last updated
- Sep 21, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Matthew Spencer Brignall, ND
- Title
- Owner
- Phone
- (206) 353-4012
Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Naturopath | 175F00000X | Primary |
Addresses
Primary practice location
3256 California Ave SW
Seattle, WA 98116-3305
Mailing address
4415 SW Juneau St
Seattle, WA 98136-1450
Phone (206) 353-4012
Practitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Naturopath
- Seattle, WA
- NPI 1760538086
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1789948800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1789948800000",
"number": "1689586018",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4415 SW JUNEAU ST",
"city": "SEATTLE",
"state": "WA",
"postal_code": "981361450",
"telephone_number": "206-353-4012"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3256 CALIFORNIA AVE SW",
"city": "SEATTLE",
"state": "WA",
"postal_code": "981163305",
"telephone_number": "206-938-1393",
"fax_number": "206-922-5322"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "MATTHEW BRIGNALL, ND",
"organizational_subpart": "NO",
"enumeration_date": "2026-09-21",
"last_updated": "2026-09-21",
"certification_date": "2026-09-21",
"status": "A",
"authorized_official_last_name": "BRIGNALL",
"authorized_official_first_name": "MATTHEW",
"authorized_official_middle_name": "SPENCER",
"authorized_official_title_or_position": "OWNER",
"authorized_official_telephone_number": "206-353-4012",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "ND"
},
"taxonomies": [
{
"code": "175F00000X",
"taxonomy_group": "",
"desc": "Naturopath",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Seattle, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.