Individual provider Active NPI

Marissa E Leong, DC

  • Chiropractor
  • Saint Peters, MO
National Provider Identifier
1548975006
Registry record updated Nov 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
ChiropractorTaxonomy code 111N00000X
License
2023038173 Issued in MO
Practice address
1600 Heritage LNDG Ste 203
Saint Peters, MO 63303-8414
Phone
(636) 685-0717
NPI assigned
Jan 19, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 17, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Chiropractor 111N00000X 2023038173 MO Primary
Chiropractor 111N00000X CHI-CHI-LIC-8015 MT

Addresses

Primary practice location

1600 Heritage LNDG Ste 203
Saint Peters, MO 63303-8414

Mailing address

1600 Heritage LNDG Ste 203
Saint Peters, MO 63303-8414
Phone (636) 685-0717

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

Practice roles

OrganizationSpecialtyStatusNew patients
JPB Montana LLC CurrentSince Sep 29, 2024 Accepting new patients
Wellness Way St Peters LLC Chiropractor CurrentSince Nov 24, 2025 Accepting new patients

Locations

1600 Heritage Lndg
Ste 203
Saint Peters, MO 63303
Phone (636) 685-0717

410 1st Ave W
Kalispell, MT 59901
Phone (406) 257-3004

410 1st Ave W
Ste 1
Kalispell, MT 59901
Phone (406) 257-3004

Organizations & group practices 2

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": "1674086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763337600000",
    "number": "1548975006",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1600 HERITAGE LNDG STE 203",
            "city": "SAINT PETERS",
            "state": "MO",
            "postal_code": "633038414",
            "telephone_number": "636-685-0717"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 HERITAGE LNDG STE 203",
            "city": "SAINT PETERS",
            "state": "MO",
            "postal_code": "633038414",
            "telephone_number": "636-685-0717"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEONG",
        "first_name": "MARISSA",
        "middle_name": "E",
        "name_prefix": "Dr.",
        "credential": "DC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-01-19",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "MO",
            "license": "2023038173",
            "primary": true
        },
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "MT",
            "license": "CHI-CHI-LIC-8015",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Peters, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 17, 2025; 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.