Katherine Anne Nicolai, PH.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PSY29225 Issued in CA

Practice address

635 NW Market St
Seattle, WA 98107-2711

Phone

(719) 338-2536

NPI assigned

Aug 15, 2017

Last updated

Feb 10, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

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

• Joon Care Medical Corporation

  • Mental Health Counselor
  • Seattle, WA
  • NPI 1073279907

  Clinical

  NPD (past)

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

{
    "created_epoch": "1502755200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739145600000",
    "number": "1558887182",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "635 NW MARKET ST",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981072711",
            "telephone_number": "719-338-2536"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "635 NW MARKET ST",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981072711",
            "telephone_number": "719-338-2536"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NICOLAI",
        "first_name": "KATHERINE",
        "middle_name": "ANNE",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2017-08-15",
        "last_updated": "2025-02-10",
        "certification_date": "2025-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "WA",
            "license": "PY61184763",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY29225",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jenna Nickless
• Delia Ruth Nickolaus, CPNP
• Amy C Nickum, MSW
• Ray M Nicola, MD
• Anne Elise Marie Nicoladis, MS, CCC-SLP
• Rolando Tomas Nicolas, RRT
• Ann Nicolaysen, LMP
• Nicole Hollinsworth
• Nicole Marie Eul (Deactivation Works)
• Nicole Paolone Webb LLC

• Clinical Psychologist in Seattle, WA
• Providers in Seattle, WA by specialty
• Clinical Psychologist in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 10, 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.

Verify at the official NPI Registry.