Individual provider Active NPI

Katherine Sill Benjamin, PHD

  • Psychologist
  • Seattle, WA
National Provider Identifier
1235706441
Registry record updated Sep 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
PY61622203 Issued in WA
Practice address
6901 Sand Point Way NE
Seattle, WA 98115-7869
Phone
(206) 987-2000
NPI assigned
Jun 7, 2021
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 23, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X PY61622203 WA Primary

Addresses

Primary practice location

6901 Sand Point Way NE
Seattle, WA 98115-7869

Mailing address

6901 Sand Point Way NE
Seattle, WA 98115-7869

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address katherine.benjamin@seattlechildrens.org 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
I20251106005105 WA Practitioner - Clinical Psychologist 9638669765 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Psychologist
Education
Other, 2024
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

PO Box
Suite 5371
Seattle, WA 98145

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
PY61622203WAMDPsychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Seattle Children'S Hospital CurrentSince Oct 24, 2025 Accepting new patients
Seattle Childrens Hospital CurrentSince Oct 24, 2025 Accepting new patients
Seattle Children'S Hospital Current Accepting new patients

Locations

1035 116th Ave NE
Bellevue, WA 98004
Phone (425) 451-4141

8232 W Grandridge Blvd
Kennewick, WA 99336
Phone (509) 582-1700

4800 Sand Point Way NE
Seattle, WA 98105
Phone (206) 526-2000

6901 Sand Point Way NE
Seattle, WA 98115
Phone (206) 987-0039

1780 NW Myhre Rd
Ste 2120
Silverdale, WA 98383
Phone (360) 782-3100

Organizations & group practices 3

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": "1623024000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758585600000",
    "number": "1235706441",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6901 SAND POINT WAY NE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981157869"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6901 SAND POINT WAY NE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981157869",
            "telephone_number": "206-987-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BENJAMIN",
        "first_name": "KATHERINE",
        "middle_name": "SILL",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-06-07",
        "last_updated": "2025-09-23",
        "certification_date": "2025-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "WA",
            "license": "PY61622203",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "katherine.benjamin@seattlechildrens.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "6901 Sand Point Way NE",
            "city": "Seattle",
            "state": "WA",
            "country_code": "US",
            "postal_code": "981157869",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.