Lexie Isaacs Leightner, RD, LD

Primary specialty

Registered DietitianTaxonomy code 133V00000X

License

37003689A Issued in IN

Practice address

914 N Coast Highway 101 Ste a
Encinitas, CA 92024-2074

Phone

(202) 932-9958

NPI assigned

Jun 1, 2015

Last updated

Sep 15, 2026By the provider in NPPES

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

Other names 1

• Alexandra Isaacs Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1433116800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789430400000",
    "number": "1437539822",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4465 N MERIDIAN ST",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462083533",
            "telephone_number": "317-903-4866"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "914 N COAST HIGHWAY 101 STE A",
            "city": "ENCINITAS",
            "state": "CA",
            "postal_code": "920242074",
            "telephone_number": "202-932-9958"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "584 Castro St # 2095",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941142512",
            "country_code": "US",
            "telephone_number": "844-359-8363",
            "fax_number": "833-955-3592",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1001 Fischer Blvd Ste 3",
            "address_purpose": "LOCATION",
            "city": "Toms River",
            "state": "NJ",
            "postal_code": "087533818",
            "country_code": "US",
            "telephone_number": "844-359-8363",
            "fax_number": "833-929-3520",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1800 Phoenix Blvd",
            "address_purpose": "LOCATION",
            "city": "Atlanta",
            "state": "GA",
            "postal_code": "303495593",
            "country_code": "US",
            "telephone_number": "844-359-8363",
            "fax_number": "833-929-3520",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1204 Main St Ste 576",
            "address_purpose": "LOCATION",
            "city": "Branford",
            "state": "CT",
            "postal_code": "064053787",
            "country_code": "US",
            "telephone_number": "844-359-8363",
            "fax_number": "833-929-3520",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3065 Brighton 2nd St # 1014",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112357404",
            "country_code": "US",
            "telephone_number": "844-359-8363",
            "fax_number": "833-955-3592",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEIGHTNER",
        "first_name": "LEXIE",
        "middle_name": "ISAACS",
        "credential": "RD, LD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-06-01",
        "last_updated": "2026-09-15",
        "certification_date": "2026-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "IN",
            "license": "37003689A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALEXANDRA",
            "last_name": "ISAACS",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Patricia Lee, MD
• Yejin Lee
• Michael J Lefebvre, D.D.S.
• Christina Legner, PHARMD
• Christina Andrade Leigh, MAOM, LAC, DIPL.AC.
• Anna Leisher
• Judy Lelie, M.S., L.AC.
• Mark L Lemire, DC
• Diego Leon
• Daniel J Lepore, PA

• Registered Dietitian in Encinitas, CA
• Providers in Encinitas, CA by specialty
• Registered Dietitian in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 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.