Individual provider Active NPI

Caitlin Marie Mahon, APRN, FNP-C, RD, LD

  • Registered Dietitian
  • Louisville, KY
National Provider Identifier
1265806871
Registry record updated Mar 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
License
2590 Issued in KY
Practice address
960 S 4TH St
Louisville, KY 40203-3252
Phone
(502) 676-7550
NPI assigned
Nov 19, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 2, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Dietitian 133V00000X 2590 KY Primary
Registered Nurse 163W00000X 1172802 KY
Adult Health Nurse Practitioner 363LA2200X 4048050 KY

Addresses

Primary practice location

960 S 4TH St
Louisville, KY 40203-3252

Mailing address

960 S 4TH St
Louisville, KY 40203-3252
Phone (502) 676-7550

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

State licenses

LicenseStateTypeSpecialty
2590KYMDRegistered Dietitian
1172802KYMDRegistered Nurse
4048050KYMDAdult Health Nurse Practitioner

NPI Registry JSON

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

{
    "created_epoch": "1447891200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1265806871",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "960 S 4TH ST",
            "city": "LOUISVILLE",
            "state": "KY",
            "postal_code": "402033252",
            "telephone_number": "502-676-7550"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "960 S 4TH ST",
            "city": "LOUISVILLE",
            "state": "KY",
            "postal_code": "402033252",
            "telephone_number": "502-676-7550"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAHON",
        "first_name": "CAITLIN",
        "middle_name": "MARIE",
        "name_prefix": "Miss",
        "credential": "APRN, FNP-C, RD, LD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-11-19",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "KY",
            "license": "2590",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "KY",
            "license": "1172802",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "KY",
            "license": "4048050",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Louisville, KY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 2, 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.