Active NPI
Mary Diorio, MSW, LCSW
- Clinical Social Worker
- Portland, OR
National Provider Identifier
1235293689
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- L3817
- Practice address
- 421 SW Oak St
Suite 520
Portland, OR 97204-1817 - Phone
- (503) 988-5464
- NPI assigned
- Dec 20, 2006
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | L3817 | OR | Primary |
| Case Manager/Care Coordinator | 171M00000X |
Addresses
Primary practice location
421 SW Oak St
Suite 520
Portland, OR 97204-1817
Mailing address
421 SW Oak St
Suite 520
Portland, OR 97204-1817
Phone (503) 988-5464
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Previously, effective Aug 12, 2020 through Aug 12, 2026
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| L3817 | OR | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1166572800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1235293689",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "421 SW OAK ST",
"address_2": "SUITE 520",
"city": "PORTLAND",
"state": "OR",
"postal_code": "972041817",
"telephone_number": "503-988-5464"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "421 SW OAK ST",
"address_2": "SUITE 520",
"city": "PORTLAND",
"state": "OR",
"postal_code": "972041817",
"telephone_number": "503-988-5464"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DIORIO",
"first_name": "MARY",
"credential": "MSW, LCSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-12-20",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "OR",
"license": "L3817",
"primary": true
},
{
"code": "171M00000X",
"taxonomy_group": "",
"desc": "Case Manager/Care Coordinator",
"state": null,
"license": null,
"primary": false
}
],
"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 Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.