Organization Active NPI

Cardiac Arrhythmia Associates

  • Medical Specialty Clinic/Center
  • La Jolla, CA
National Provider Identifier
1043584840
Registry record updated Mar 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Specialty Clinic/CenterTaxonomy code 261QM2500X
License
G53772 Issued in CA
Legal business name
CARDIAC ARRHYTHMIA ASSOCIATES
Practice address
9850 Genesee Ave
Suite 940
La Jolla, CA 92037-1224
Phone
(858) 658-0088
Fax
(858) 658-0084
NPI assigned
Feb 27, 2012
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Mar 25, 2026

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

Authorized official

Name
Dr. George Stuart Mendenhall, MD
Title
Ceo
Phone
(858) 658-0088

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Specialty Clinic/Center 261QM2500X G53772 CA Primary

Addresses

Primary practice location

9850 Genesee Ave
Suite 940
La Jolla, CA 92037-1224

Mailing address

9850 Genesee Ave Ste 940
La Jolla, CA 92037-1220
Phone (858) 658-0088

National Provider Directory

National Provider Directory
Tax ID family
Cardiac Arrhythmia Associates2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

NPI Registry JSON

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

{
    "created_epoch": "1330300800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1774396800000",
    "number": "1043584840",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9850 GENESEE AVE STE 940",
            "city": "LA JOLLA",
            "state": "CA",
            "postal_code": "920371220",
            "telephone_number": "858-658-0088",
            "fax_number": "858-658-0084"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9850 GENESEE AVE",
            "address_2": "SUITE 940",
            "city": "LA JOLLA",
            "state": "CA",
            "postal_code": "920371224",
            "telephone_number": "858-658-0088",
            "fax_number": "858-658-0084"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CARDIAC ARRHYTHMIA ASSOCIATES",
        "organizational_subpart": "NO",
        "enumeration_date": "2012-02-27",
        "last_updated": "2026-03-25",
        "certification_date": "2026-03-25",
        "status": "A",
        "authorized_official_last_name": "MENDENHALL",
        "authorized_official_first_name": "GEORGE",
        "authorized_official_middle_name": "STUART",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "858-658-0088",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "261QM2500X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Medical Specialty",
            "state": "CA",
            "license": "G53772",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in La Jolla, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 25, 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.