Andrew Olsen

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

18707-33 Issued in WI

Practice address

34700 Valley Rd
Oconomowoc, WI 53066-4500

Phone

(262) 646-4411

NPI assigned

Jul 14, 2026

Sex

Male

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

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1783987200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785196800000",
    "number": "1962321844",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "34700 VALLEY RD",
            "city": "OCONOMOWOC",
            "state": "WI",
            "postal_code": "530664500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "34700 VALLEY RD",
            "city": "OCONOMOWOC",
            "state": "WI",
            "postal_code": "530664500",
            "telephone_number": "262-646-4411"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLSEN",
        "first_name": "ANDREW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-07-14",
        "last_updated": "2026-07-28",
        "certification_date": "2026-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "WI",
            "license": "18707-33",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Oconomowoc Developmental Training Center of Wisconsin LLC
• Oconomowoc Developmental Training Center of Wisconsin LLC
• Oconomowoc Home Health Care, LLC
• Oconomowoc Vision Clinic, LLC
• Okauchee Fire Department
• Lauren S Olson, APRN
• Nathan James Omick, D.C.
• Kristin Marie Osterday, RPH
• Miranda Overland
• P. a. Janusonis, M.D., S.C.

• Psychiatric/Mental Health Nurse Practitioner in Oconomowoc, WI
• Providers in Oconomowoc, WI by specialty
• Psychiatric/Mental Health Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 28, 2026; 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.