Theresa Victoria Berger Peirce, MS, RDN

Primary specialty

Registered DietitianTaxonomy code 133V00000X

License

86116991 Issued in CO

Practice address

1212 Raintree Dr Unit L239
Fort Collins, CO 80526-1862

Phone

(970) 444-2850

NPI assigned

Aug 20, 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

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1787184000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1114833902",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1001A E HARMONY RD # 303",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805253354",
            "telephone_number": "970-444-2850"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1212 RAINTREE DR UNIT L239",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805261862",
            "telephone_number": "970-444-2850"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PEIRCE",
        "first_name": "THERESA",
        "middle_name": "VICTORIA BERGER",
        "name_prefix": "Mrs.",
        "credential": "MS, RDN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-08-20",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "CO",
            "license": "86116991",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Registered Dietitian in Fort Collins, CO
• Providers in Fort Collins, CO by specialty
• Registered Dietitian in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 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.