Individual provider Active NPI

Douglas A Barton, M.D.

  • Pediatrics Physician
  • Lake St Louis, MO
National Provider Identifier
1144281890
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
100954 Issued in MO
Practice address
300 Medical PLZ
Lake St Louis, MO 63367-1481
Phone
(636) 625-2662
Fax
(636) 669-2401
NPI assigned
Mar 31, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 100954 MO Primary

Addresses

Primary practice location

300 Medical PLZ
Lake St Louis, MO 63367-1481

Mailing address

1551 Wall St
Suite 310
Saint Charles, MO 63303-3539
Phone (636) 669-2268

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
100954MOMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
SSM St. Charles Clinic Medical Group, Inc. Past Accepting new patients

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": "1143763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1144281890",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1551 WALL ST",
            "address_2": "SUITE 310",
            "city": "SAINT CHARLES",
            "state": "MO",
            "postal_code": "633033539",
            "telephone_number": "636-669-2268",
            "fax_number": "636-669-2401"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 MEDICAL PLZ",
            "city": "LAKE ST LOUIS",
            "state": "MO",
            "postal_code": "633671481",
            "telephone_number": "636-625-2662",
            "fax_number": "636-669-2401"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BARTON",
        "first_name": "DOUGLAS",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-31",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MO",
            "license": "100954",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lake St Louis, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.