Individual provider Active NPI

John Martin Leclaire, MD

  • Neurology Physician
  • Saint Louis, MO
National Provider Identifier
1174104970
Registry record updated May 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
2025013232 Issued in MO
Practice address
1 Barnes Jewish Hospital PLZ
Saint Louis, MO 63110-1003
Phone
(615) 936-0060
Fax
(615) 936-0223
NPI assigned
Apr 14, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 30, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X 2025013232 MO Primary

Addresses

Primary practice location

1 Barnes Jewish Hospital PLZ
Saint Louis, MO 63110-1003

Mailing address

660 S Euclid Ave
Saint Louis, MO 63110-1010
Phone (314) 362-1408

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250710000596 MO Order and Referring Only - NeurologyPractitioner - Neurology 8224542337

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
2025013232MOMDNeurology Physician

NPI Registry JSON

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

{
    "created_epoch": "1618358400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748563200000",
    "number": "1174104970",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "660 S EUCLID AVE",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101010",
            "telephone_number": "314-362-1408"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "615-936-0060",
            "fax_number": "615-936-0223"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LECLAIRE",
        "first_name": "JOHN",
        "middle_name": "MARTIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-14",
        "last_updated": "2025-05-30",
        "certification_date": "2025-05-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MO",
            "license": "2025013232",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.