Katie Fosselius LLC

Primary specialty

Adult Mental Health Clinic/CenterTaxonomy code 261QM0850X

Legal business name

KATIE FOSSELIUS LLC

Practice address

6655 W Jewell Ave Ste 103
Lakewood, CO 80232-7108

Phone

(303) 319-1023

NPI assigned

Oct 27, 2025

Last updated

Oct 27, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Katie Fosselius, LCSW, LACNPI 1811587298

Title

Therapist

Phone

(303) 319-1023

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Katie Fosselius, LCSW, LAC

  • Clinical Social Worker
  • Lakewood, CO
  • NPI 1811587298
  NPD Authorized official

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

{
    "created_epoch": "1761523200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1761523200000",
    "number": "1164390597",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6277 S URBAN ST",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801272390",
            "telephone_number": "303-319-1023"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6655 W JEWELL AVE STE 103",
            "city": "LAKEWOOD",
            "state": "CO",
            "postal_code": "802327108",
            "telephone_number": "303-319-1023"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "KATIE FOSSELIUS LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-10-27",
        "last_updated": "2025-10-27",
        "certification_date": "2025-10-27",
        "status": "A",
        "authorized_official_last_name": "FOSSELIUS",
        "authorized_official_first_name": "KATIE",
        "authorized_official_title_or_position": "THERAPIST",
        "authorized_official_telephone_number": "303-319-1023",
        "authorized_official_credential": "LCSW, LAC"
    },
    "taxonomies": [
        {
            "code": "261QM0850X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Adult Mental Health",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christine Kassis, M.D.
• Jordan K Kassner, LMT
• Takeshi Kataoka, M.D.,F.A.C.C.
• Katas Integrative Health
• Kathleen D Collins MD PC
• Lisa Kaufman, RN
• Melissa Kaufmann
• Robert Kawasaki, MD
• KC Brown OD PC
• Kdwem Home Care LLC (ACASA Senior Care)

• Adult Mental Health Clinic/Center in Lakewood, CO
• Providers in Lakewood, CO by specialty
• Adult Mental Health Clinic/Center in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 27, 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.