Active NPI
Ryan Larsen Psychotherapy, PLLC
- Clinical Social Worker
- Lynnwood, WA
National Provider Identifier
1487521704
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- Legal business name
- RYAN LARSEN PSYCHOTHERAPY, PLLC
- Practice address
- 18103 44TH Ave W
Lynnwood, WA 98037-4601 - Phone
- (206) 227-7338
- NPI assigned
- Oct 21, 2025
- 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
- Ryan Larsen, LICSW
- Title
- Owner
- Phone
- (206) 227-7338
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | Primary |
Addresses
Primary practice location
18103 44TH Ave W
Lynnwood, WA 98037-4601
Mailing address
18103 44TH Ave W
Lynnwood, WA 98037-4601
Phone (206) 227-7338
Other practice location 1
1314 NE 43rd St Ste 208
Seattle, WA 98105-5832
Phone (206) 227-7338 ext. 77338
National Provider Directory
National Provider DirectoryLocations
1314 NE 43rd St
Ste 208
Seattle, WA 98105
Phone 2062277338 ext. 77338
Practitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Clinical Social Worker
- Lynnwood, WA
- NPI 1770942112
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1761004800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1780876800000",
"number": "1487521704",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "18103 44TH AVE W",
"city": "LYNNWOOD",
"state": "WA",
"postal_code": "980374601",
"telephone_number": "206-227-7338"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "18103 44TH AVE W",
"city": "LYNNWOOD",
"state": "WA",
"postal_code": "980374601",
"telephone_number": "206-227-7338"
}
],
"practiceLocations": [
{
"address_1": "1314 NE 43rd St Ste 208",
"address_purpose": "LOCATION",
"city": "Seattle",
"state": "WA",
"postal_code": "981055832",
"country_code": "US",
"telephone_number": "206-227-7338 x77338",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "RYAN LARSEN PSYCHOTHERAPY, PLLC",
"organizational_subpart": "NO",
"enumeration_date": "2025-10-21",
"last_updated": "2026-06-08",
"certification_date": "2026-06-08",
"status": "A",
"authorized_official_last_name": "LARSEN",
"authorized_official_first_name": "RYAN",
"authorized_official_title_or_position": "OWNER",
"authorized_official_telephone_number": "206-227-7338",
"authorized_official_credential": "LICSW"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Social Worker, Clinical",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Lynnwood, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.