Allyssa Wierenga, RN

Primary specialty

Registered NurseTaxonomy code 163W00000X

License

RN.1644154 Issued in CO

Practice address

4783 Kalispell St
Denver, CO 80239-5478

Phone

(720) 208-6361

NPI assigned

Sep 17, 2026

Sex

Female

Sole proprietor

Yes

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": "1326950197",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4783 KALISPELL ST",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802395478",
            "telephone_number": "720-208-6361"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4783 KALISPELL ST",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802395478",
            "telephone_number": "720-208-6361"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WIERENGA",
        "first_name": "ALLYSSA",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-09-17",
        "last_updated": "2026-09-17",
        "certification_date": "2026-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CO",
            "license": "RN.1644154",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Steven I Wiencrot, PSY.D.
• Gregory Wiener, M.D.
• Stephanie Wienkers, CLINICAL PHARMACIST
• Kelly Anne Wiepking, LCSW
• Eva Wier-March
• Cody Wiersema
• Wiese Counseling
• Brianne Wiese, LCSW
• Theodore Wiesner, MD
• Eric John Wiessner, OD

• Registered Nurse in Denver, CO
• Providers in Denver, CO by specialty
• Registered Nurse in Colorado

• 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.