Margaret Sheahan Cook, RDN

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

9981 W Victoria PL Unit 103
Littleton, CO 80127-7114

Phone

(719) 464-3010

NPI assigned

Aug 24, 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": "1787529600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787529600000",
    "number": "1417864752",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9981 W VICTORIA PL UNIT 103",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801277114",
            "telephone_number": "719-464-3010"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9981 W VICTORIA PL UNIT 103",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801277114",
            "telephone_number": "719-464-3010"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COOK",
        "first_name": "MARGARET",
        "middle_name": "SHEAHAN",
        "name_prefix": "Mrs.",
        "credential": "RDN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-08-24",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CO",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Debra J Contillo-Davis, MSW,LCSW
• Continuum of Colorado
• Allison Convissar
• David R Conway, MD
• Shelby Conway, PHYSICIAN ASSISTANT
• Melissa Cook, LCSW
• Sara L Cook, BCBA
• Hannah Cooley, FNP-C
• Alexis Cooper
• Alyssa Ashley Cooper, MSN, FNP-C

• Student in an Organized Health Care Education/Training Program in Littleton, CO
• Providers in Littleton, CO by specialty
• Student in an Organized Health Care Education/Training Program in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.