Leah Irwin Nutrition

Primary specialty

Registered DietitianTaxonomy code 133V00000X

Legal business name

LEAH IRWIN NUTRITION

Practice address

1666 Briarcliff Dr
Nolensville, TN 37135-9531

Phone

(415) 238-2021

NPI assigned

Aug 6, 2026

Last updated

Aug 6, 2026By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Leah Irwin, RDN, LDN, IFNCPNPI 1316778319

Title

Registered Dietitian Nutritionist

Phone

(415) 238-2021

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Leah Irwin, RDN, LD

  • Registered Dietitian
  • Nolensville, TN
  • NPI 1316778319

  Dietitian, Registered

  NPD (past) Authorized official

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

{
    "created_epoch": "1785974400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785974400000",
    "number": "1932023413",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1666 BRIARCLIFF DR",
            "city": "NOLENSVILLE",
            "state": "TN",
            "postal_code": "371359531",
            "telephone_number": "415-238-2021"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1666 BRIARCLIFF DR",
            "city": "NOLENSVILLE",
            "state": "TN",
            "postal_code": "371359531",
            "telephone_number": "415-238-2021"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LEAH IRWIN NUTRITION",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-08-06",
        "last_updated": "2026-08-06",
        "certification_date": "2026-08-06",
        "status": "A",
        "authorized_official_last_name": "IRWIN",
        "authorized_official_first_name": "LEAH",
        "authorized_official_title_or_position": "REGISTERED DIETITIAN NUTRITIONIST",
        "authorized_official_telephone_number": "415-238-2021",
        "authorized_official_credential": "RDN, LDN, IFNCP"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Robert Andrew Klope, OTR/L
• Jessica Marie Lanier, COTA/L
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• Mary Britt Leo, RN, CPM
• Ashley Levine, FNP-C
• Avery Lynn Liddell
• Jada Linton, RDN

• Registered Dietitian in Nolensville, TN
• Providers in Nolensville, TN by specialty
• Registered Dietitian in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 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.