Olivia Hilja Slack

Primary specialty

Behavior TechnicianTaxonomy code 106S00000X

Practice address

4152 30TH Ave S
Fargo, ND 58104-8524

Phone

(701) 364-2663

NPI assigned

Sep 17, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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

{
    "created_epoch": "1789603200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789603200000",
    "number": "1952212888",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2200 20TH ST SW",
            "city": "JAMESTOWN",
            "state": "ND",
            "postal_code": "584017500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4152 30TH AVE S",
            "city": "FARGO",
            "state": "ND",
            "postal_code": "581048524",
            "telephone_number": "701-364-2663"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SLACK",
        "first_name": "OLIVIA",
        "middle_name": "HILJA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-09-17",
        "last_updated": "2026-09-17",
        "certification_date": "2026-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106S00000X",
            "taxonomy_group": "",
            "desc": "Behavior Technician",
            "state": "ND",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Behavior Technician in Fargo, ND
• Providers in Fargo, ND by specialty
• Behavior Technician in North Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.