Individual provider Active NPI

Ashley Mercer, AGNP-C

  • Adult Health Nurse Practitioner
  • Saint Louis, MO
National Provider Identifier
1194680777
Registry record updated Aug 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Health Nurse PractitionerTaxonomy code 363LA2200X
License
2026023133 Issued in MO
Practice address
701 S New Ballas Rd Ste 330
Saint Louis, MO 63141-8725
Phone
(314) 251-8850
NPI assigned
Dec 17, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 18, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X 2017016488 MO
Registered Nurse 163W00000X 041586237 IL
Adult Health Nurse Practitioner 363LA2200X 2026023133 MO Primary

Addresses

Primary practice location

701 S New Ballas Rd Ste 330
Saint Louis, MO 63141-8725

Mailing address

701 S New Ballas Rd Ste 330
Saint Louis, MO 63141-8725
Phone (314) 251-8850

Other practice location 1

607 S New Ballas Rd Ste 3100
Saint Louis, MO 63141-8219
Phone (314) 251-8775

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.

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
041586237ILMDRegistered Nurse
2017016488MOMDRegistered Nurse
2026023133MOMDAdult Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Clinic Urology LLC CurrentSince Dec 21, 2025 Accepting new patients

Locations

607 S New Ballas Rd
Ste 3100
Saint Louis, MO 63141
Phone (314) 251-4260

701 S New Ballas Rd
Ste 330
Saint Louis, MO 63141
Phone (314) 251-8850

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": "1765929600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1194680777",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "701 S NEW BALLAS RD STE 330",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418725",
            "telephone_number": "314-251-8850"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "701 S NEW BALLAS RD STE 330",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418725",
            "telephone_number": "314-251-8850"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "607 S New Ballas Rd Ste 3100",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631418219",
            "country_code": "US",
            "telephone_number": "314-251-8775",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MERCER",
        "first_name": "ASHLEY",
        "credential": "AGNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-12-17",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MO",
            "license": "2017016488",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "IL",
            "license": "041586237",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "MO",
            "license": "2026023133",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.