Organization Active NPI

Pioneer Pediatrics, LLC

  • Pediatrics Physician
  • Madison, MS
National Provider Identifier
1558246579
Registry record updated Sep 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
Legal business name
PIONEER PEDIATRICS, LLC
Practice address
161 Montgomery St Ste D
Madison, MS 39110-1118
Phone
(769) 300-5220
Fax
(601) 623-4300
NPI assigned
Aug 8, 2025
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 3, 2025

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

Authorized official

Name
Dr. Justin Michael Lay, DONPI 1093109316
Title
Ceo
Phone
(601) 606-2589

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 208000000X Primary

Addresses

Primary practice location

161 Montgomery St Ste D
Madison, MS 39110-1118

Mailing address

161 Montgomery St Ste D
Madison, MS 39110-1118
Phone (769) 300-5220

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
25D2303201Pioneer Pediatrics161 Montgomery Street, Suite D, Madison, MS 39110Certificate of waiverApr 21, 2028

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1754611200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1756857600000",
    "number": "1558246579",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "161 MONTGOMERY ST STE D",
            "city": "MADISON",
            "state": "MS",
            "postal_code": "391101118",
            "telephone_number": "769-300-5220",
            "fax_number": "601-623-4300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "161 MONTGOMERY ST STE D",
            "city": "MADISON",
            "state": "MS",
            "postal_code": "391101118",
            "telephone_number": "769-300-5220",
            "fax_number": "601-623-4300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PIONEER PEDIATRICS, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-08-08",
        "last_updated": "2025-09-03",
        "certification_date": "2025-09-03",
        "status": "A",
        "authorized_official_last_name": "LAY",
        "authorized_official_first_name": "JUSTIN",
        "authorized_official_middle_name": "MICHAEL",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "601-606-2589",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DO"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Pediatrics",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Madison, MS

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 3, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • 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.