Individual provider Active NPI

Leah Elizabeth Langlais, MS, RD, LDN

  • Nutritionist
  • Providence, RI
National Provider Identifier
1649941428
Registry record updated May 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
NutritionistTaxonomy code 133N00000X
License
LDN01064 Issued in RI
Practice address
593 Eddy St
Providence, RI 02903-4923
Phone
(401) 444-8143
NPI assigned
Sep 22, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 22, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nutritionist 133N00000X LDN01064 RI Primary

Addresses

Primary practice location

593 Eddy St
Providence, RI 02903-4923

Mailing address

15 La Salle SQ
Providence, RI 02903-1814
Phone (401) 444-5640

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in RI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20231204000649 RI Practitioner - Registered Dietitian Or Nutrition Professional 3072961945 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1632268800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779408000000",
    "number": "1649941428",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15 LA SALLE SQ",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029031814",
            "telephone_number": "401-444-5640",
            "fax_number": "401-444-5462"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "593 EDDY ST",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029034923",
            "telephone_number": "401-444-8143"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LANGLAIS",
        "first_name": "LEAH",
        "middle_name": "ELIZABETH",
        "credential": "MS, RD, LDN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-09-22",
        "last_updated": "2026-05-22",
        "certification_date": "2026-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133N00000X",
            "taxonomy_group": "",
            "desc": "Nutritionist",
            "state": "RI",
            "license": "LDN01064",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Providence, RI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.