Individual provider Active NPI

Nicholas Samuel Johnson, FNP

  • Family Medicine Physician
  • O Fallon, MO
National Provider Identifier
1164309985
Registry record updated Aug 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
2019006383 Issued in MO
Practice address
2223 Technology Dr
O Fallon, MO 63368-7272
Phone
(636) 561-5999
NPI assigned
Aug 21, 2025
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 21, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 2019006383 MO Primary

Addresses

Primary practice location

2223 Technology Dr
O Fallon, MO 63368-7272

Mailing address

2223 Technology Dr
O Fallon, MO 63368-7272
Phone (636) 561-5999

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mercy Clinic East CommunitiesGroup PAC ID 7214827922, shared by 6 NPIs, 573 clinicians

Practice addresses (Care Compare)

2223 Technology Dr
Suite 40
O Fallon, MO 63368-7272
Phone (636) 755-4400

Hospital & facility affiliations

  • Mercy Hospital St Louis Hospital, Saint Louis, MO, CCN 260020

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
2019006383MOMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Clinic East Communities Family Medicine PastSince Jun 10, 2026 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.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1755734400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755734400000",
    "number": "1164309985",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2223 TECHNOLOGY DR",
            "city": "O FALLON",
            "state": "MO",
            "postal_code": "633687272",
            "telephone_number": "636-561-5999"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2223 TECHNOLOGY DR",
            "city": "O FALLON",
            "state": "MO",
            "postal_code": "633687272",
            "telephone_number": "636-561-5999"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "NICHOLAS",
        "middle_name": "SAMUEL",
        "credential": "FNP",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-08-21",
        "last_updated": "2025-08-21",
        "certification_date": "2025-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MO",
            "license": "2019006383",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in O Fallon, MO

Sources for this page

Verify at the official NPI Registry.