Individual provider Active NPI

Katrina Herzog, MSW, LICSW

  • Clinical Social Worker
  • Spokane, WA
National Provider Identifier
1124604764
Registry record updated Mar 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
LW61466078 Issued in WA
Practice address
100 N Howard St Ste W
Spokane, WA 99201-0508
Phone
(562) 286-2072
NPI assigned
Mar 23, 2021
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 16, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X LW61466078 WA Primary
Clinical Social Worker 1041C0700X SC61040620 WA

Addresses

Primary practice location

100 N Howard St Ste W
Spokane, WA 99201-0508

Mailing address

6727 Martin Luther King Jr Way S Ste M
Seattle, WA 98118-3205
Phone (562) 286-2072

Other identifiers 2

IdentifierTypeStateIssuer
SC61040620MedicaidWA
LW61466078MedicaidWA

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address katrina.herzog.licsw@proton.me Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240219003126 WA Practitioner - Clinical Social Worker 7012351992 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Seattle Roots Community HealthGroup PAC ID 8628966173, 50 clinicians

Practice addresses (Care Compare)

2101 E Yesler Way
Suite 150
Seattle, WA 98122-5959
Phone (206) 299-1900

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
LW61466078WAMDClinical Social Worker
SC61040620WAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Seattle Roots Community Health Current Accepting new patients
Seattle Roots Community Health CurrentSince Nov 18, 2024 Accepting new patients
Seattle Roots Community Health CurrentSince Nov 18, 2024 Accepting new patients
Sound CurrentSince Jan 30, 2024 Accepting new patients
Seattle Roots Community Health Past Accepting new patients
Seattle Roots Community Health Past Accepting new patients

Locations

500 19th Ave E
Seattle, WA 98112
Phone (206) 299-1600

600 Broadway
Ste 170
Seattle, WA 98122
Phone (206) 302-2600

1600 E Olive St
Seattle, WA 98122
Phone (206) 302-2800

2101 E Yesler Way
Ste 150
Seattle, WA 98122
Phone (206) 299-1900

6400 Southcenter Blvd
Fl 1
Tukwila, WA 98188

6400 Southcenter Blvd
Tukwila, WA 98188
Phone (206) 444-3600

Organizations & group practices 6

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": "1616457600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773619200000",
    "number": "1124604764",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6727 MARTIN LUTHER KING JR WAY S STE M",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981183205",
            "telephone_number": "562-286-2072"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 N HOWARD ST STE W",
            "city": "SPOKANE",
            "state": "WA",
            "postal_code": "992010508",
            "telephone_number": "562-286-2072"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HERZOG",
        "first_name": "KATRINA",
        "credential": "MSW, LICSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-03-23",
        "last_updated": "2026-03-16",
        "certification_date": "2026-03-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "WA",
            "license": "LW61466078",
            "primary": true
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "WA",
            "license": "SC61040620",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "SC61040620",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "LW61466078",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "katrina.herzog.licsw@proton.me",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "100 N Howard St Ste W",
            "city": "Spokane",
            "state": "WA",
            "country_code": "US",
            "postal_code": "992010508",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Spokane, WA

Sources for this page

Verify at the official NPI Registry.