Active NPI
Gretchyn Claire Duval
- Social Worker
- Portland, OR
National Provider Identifier
1366325276
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- A17179
- Practice address
- 6400 SE Lake Rd Ste 250
Portland, OR 97222-2129 - Phone
- (971) 506-6999
- NPI assigned
- Jul 29, 2025
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Social Worker | 104100000X | A17179 | OR | Primary |
Addresses
Primary practice location
6400 SE Lake Rd Ste 250
Portland, OR 97222-2129
Mailing address
272 NW Medical Loop Ste E
Roseburg, OR 97471-5545
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 |
|---|---|---|---|
| A17179 | OR | MD | Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1753747200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1760486400000",
"number": "1366325276",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "272 NW MEDICAL LOOP STE E",
"city": "ROSEBURG",
"state": "OR",
"postal_code": "974715545"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6400 SE LAKE RD STE 250",
"city": "PORTLAND",
"state": "OR",
"postal_code": "972222129",
"telephone_number": "971-506-6999"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DUVAL",
"first_name": "GRETCHYN",
"middle_name": "CLAIRE",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-07-29",
"last_updated": "2025-10-15",
"certification_date": "2025-10-15",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "OR",
"license": "A17179",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Portland, OR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 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.