Xylem Nilsen, LCSW, QMHP

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

L11474 Issued in OR

Practice address

10700 SW Beaverton Hillsdale Hwy Ste 560
Beaverton, OR 97005-4791

Phone

(971) 431-8968

Fax

(971) 351-6979

NPI assigned

Oct 23, 2014

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Kari Anne Nilsen Former name

Medicare fee-for-service enrollment

Enrolled in OR

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

Specialty

Clinical Social Worker

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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 and National Provider Directory roles.

• Cascadia Health

  • Multi-Specialty Clinic/Center
  • Portland, OR
  • NPI 1336196401
  NPD (past)

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

{
    "created_epoch": "1414022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1447655105",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1336 NW FLANDERS ST",
            "address_2": "PMB 215",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "97209",
            "telephone_number": "971-431-8968",
            "fax_number": "971-351-6979"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10700 SW BEAVERTON HILLSDALE HWY STE 560",
            "city": "BEAVERTON",
            "state": "OR",
            "postal_code": "970054791",
            "telephone_number": "971-431-8968",
            "fax_number": "971-351-6979"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NILSEN",
        "first_name": "XYLEM",
        "credential": "LCSW, QMHP",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2014-10-23",
        "last_updated": "2025-10-24",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "OR",
            "license": "L11474",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KARI",
            "last_name": "NILSEN",
            "middle_name": "ANNE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Ana Nieves
• Darren Nigo, ATC
• Rachel Anne Nikolaus
• Luanne Nilsen, M.D.
• Lynn Marie Nilsen, RDH
• Julie Nittler
• Elizabeth Wangui Njeru-Gibbons
• Susan Njoroge, FNP
• Mary Nkwa Ako Jr., CAREGIVER
• Jasmine Jewel Noble

• Mental Health Counselor in Beaverton, OR
• Providers in Beaverton, OR by specialty
• Mental Health Counselor in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.