Individual provider Active NPI

Joanna Mahto, LCSW

  • Clinical Social Worker
  • Portland, OR
National Provider Identifier
1891135828
Registry record updated Feb 13, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
L6642 Issued in OR
Practice address
1130 NW 22ND Ave Ste 320
Portland, OR 97210-2970
Phone
(503) 295-2546
Fax
(503) 790-1248
NPI assigned
Jul 5, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 13, 2023

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X
Clinical Social Worker 1041C0700X L6642 OR Primary

Addresses

Primary practice location

1130 NW 22ND Ave Ste 320
Portland, OR 97210-2970

Mailing address

975 SE Sandy Blvd Ste 160
Portland, OR 97214-2498
Phone (971) 319-4631

Other practice location 1

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3098
Phone (503) 494-2273

Other practice location 2

3415 SE Powell Blvd
Portland, OR 97202-3371
Phone (503) 234-9591

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

LicenseStateTypeSpecialty
L6642ORMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Metropolitan Pediatrics, LLC Clinical CurrentSince Jun 8, 2025 Accepting new patients

Locations

1130 NW 22nd Ave
Ste 320
Portland, OR 97210
Phone (503) 295-2546

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1372982400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1676246400000",
    "number": "1891135828",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "975 SE SANDY BLVD STE 160",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972142498",
            "telephone_number": "971-319-4631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1130 NW 22ND AVE STE 320",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972102970",
            "telephone_number": "503-295-2546",
            "fax_number": "503-790-1248"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3181 SW Sam Jackson Park Rd",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972393098",
            "country_code": "US",
            "telephone_number": "503-494-2273",
            "fax_number": "503-494-7979",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3415 SE Powell Blvd",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972023371",
            "country_code": "US",
            "telephone_number": "503-234-9591",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAHTO",
        "first_name": "JOANNA",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-07-05",
        "last_updated": "2023-02-13",
        "certification_date": "2023-02-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "OR",
            "license": "L6642",
            "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 Feb 13, 2023; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.