Individual provider Active NPI

Calvin Christopher Flemons Jr., PHARMD/MBA

  • Pharmacist
  • O Fallon, MO
National Provider Identifier
1952221558
Registry record updated Jul 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PharmacistTaxonomy code 183500000X
License
2026033597 Issued in MO
Practice address
920 N Main St
O Fallon, MO 63366-1746
Phone
(636) 379-2636
NPI assigned
Jul 16, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pharmacist 183500000X 2026033597 MO Primary

Addresses

Primary practice location

920 N Main St
O Fallon, MO 63366-1746

Mailing address

920 N Main St
O Fallon, MO 63366-1746
Phone (636) 379-2636

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)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1784160000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784160000000",
    "number": "1952221558",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "920 N MAIN ST",
            "city": "O FALLON",
            "state": "MO",
            "postal_code": "633661746",
            "telephone_number": "636-379-2636"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "920 N MAIN ST",
            "city": "O FALLON",
            "state": "MO",
            "postal_code": "633661746",
            "telephone_number": "636-379-2636"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLEMONS",
        "first_name": "CALVIN",
        "middle_name": "CHRISTOPHER",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "PHARMD/MBA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-07-16",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "MO",
            "license": "2026033597",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in O Fallon, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 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.