Katherine Trecker, RN

Primary specialty

Ambulatory Care Registered NurseTaxonomy code 163WP2201X

License

178529 Issued in WI

Practice address

5000 W National Ave
Milwaukee, WI 53295-0001

Phone

(414) 384-2000

NPI assigned

Apr 22, 2026

Last updated

Apr 22, 2026By the provider in NPPES

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

Medicare enrollment (NPD)

Not enrolled

Credentials

Registered Nurse

State licenses

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

{
    "created_epoch": "1776816000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1609711878",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5000 W NATIONAL AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532950001",
            "telephone_number": "414-384-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5000 W NATIONAL AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532950001",
            "telephone_number": "414-384-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TRECKER",
        "first_name": "KATHERINE",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-04-22",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WP2201X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Ambulatory Care",
            "state": "WI",
            "license": "178529",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tracy Treacy, M.S,, LPC, CADC-1
• Laketa Treadwell, CBRF,
• Matthew W Treat, PA-C
• Kathleen Mary Trebian, M.D.
• Grace Madeline Trecha
• Tree of Life Center
• Tree of Life Prenatal LLC
• Randall William Treffy, MD
• Ruth Ann Treisman, ARNP
• Isaac J Trejo, D.P.M.

• Ambulatory Care Registered Nurse in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Ambulatory Care Registered Nurse in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 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.