Active NPI
Leif Grunseth, ATC, CNMT, LMT
- Legal Medicine
- Bellevue, WA
National Provider Identifier
1306960919
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Legal Medicine
- License
- MA0003261
- Practice address
- 11521 NE 21St St
Bellevue, WA 98004-3026 - Phone
- (425) 646-9759
- NPI assigned
- Mar 19, 2007
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Legal Medicine | 173000000X | MA0003261 | WA | Primary |
| Specialist | 174400000X | MA00003261 | WA |
Addresses
Primary practice location
11521 NE 21St St
Bellevue, WA 98004-3026
Mailing address
227 Bellevue Way NE # 214
Bellevue, WA 98004-5721
Phone (425) 688-0356
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MA0003261 | WA | MD | Legal Medicine |
| MA00003261 | WA | MD | Specialist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1174262400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1306960919",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "227 BELLEVUE WAY NE # 214",
"city": "BELLEVUE",
"state": "WA",
"postal_code": "980045721",
"telephone_number": "425-688-0356"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "11521 NE 21ST ST",
"city": "BELLEVUE",
"state": "WA",
"postal_code": "980043026",
"telephone_number": "425-646-9759"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GRUNSETH",
"first_name": "LEIF",
"credential": "ATC, CNMT, LMT",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-03-19",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "173000000X",
"taxonomy_group": "",
"desc": "Legal Medicine",
"state": "WA",
"license": "MA0003261",
"primary": true
},
{
"code": "174400000X",
"taxonomy_group": "",
"desc": "Specialist",
"state": "WA",
"license": "MA00003261",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Bellevue, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.