John Zachary Leonard, RN

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

246902 Issued in LA

Practice address

3004 43Rd St
Metairie, LA 70001-2947

Phone

(228) 229-4263

NPI assigned

Sep 19, 2023

Last updated

Jun 3, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Enrolled in LA

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2026

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Registered Nurse

State licenses

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

{
    "created_epoch": "1695081600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780444800000",
    "number": "1487432639",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "706 SAINT DEPORRES ST",
            "city": "BROUSSARD",
            "state": "LA",
            "postal_code": "705185027",
            "telephone_number": "228-229-4263"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3004 43RD ST",
            "city": "METAIRIE",
            "state": "LA",
            "postal_code": "700012947",
            "telephone_number": "228-229-4263"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEONARD",
        "first_name": "JOHN",
        "middle_name": "ZACHARY",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-09-19",
        "last_updated": "2026-06-03",
        "certification_date": "2026-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "LA",
            "license": "246902",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carrie Lee Lemoine, M.C.D., CCC-A
• Chantal Lemoine, RD, LDN
• Jennifer Labiche Lemoine, PTA
• Tori Lemoine
• Len Serebro M.D., LTD
• Melissa Diane Leonard, NNP-BC
• Sydney A Leonard
• Tracy Leonard
• Wendell Leonard, PHARMACIST
• Renee Leone, PHARM D

• Certified Registered Nurse Anesthetist in Metairie, LA
• Providers in Metairie, LA by specialty
• Certified Registered Nurse Anesthetist in Louisiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.