Organization Active NPI

Cardiac Arrhythmia Associates, a Medical Corporation

  • Clinical Cardiac Electrophysiology Physician
  • La Jolla, CA
National Provider Identifier
1023042751
Registry record updated Mar 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X
Legal business name
CARDIAC ARRHYTHMIA ASSOCIATES, A MEDICAL CORPORATION
Practice address
9850 Genesee Avenue
Suite 940
La Jolla, CA 92037
Phone
(858) 658-0020
Fax
(858) 658-0084
NPI assigned
Jul 10, 2006
Last updated
Mar 25, 2026By the provider in NPPES
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, MDNPI 1699925545
Title
Ceo
Phone
(858) 658-0088

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Cardiac Electrophysiology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207RC0001X Primary

Addresses

Primary practice location

9850 Genesee Avenue
Suite 940
La Jolla, CA 92037

Mailing address

9850 Genesee Avenue
Suite 940
La Jolla, CA 92037
Phone (858) 658-0020

Other identifiers 1

IdentifierTypeStateIssuer
GR0061630MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040106000604 CA Part B Supplier - Clinic/Group Practice 2567361884 Receives reassigned benefits from 2 practitioners
Practice locations: La Jolla, CA

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.

Networks

  • BSC 65 PLUS INDIVIDUAL MAPDPlans: Blue Shield 65 Plus (HMO) (H0504-015-000, H0504); Blue Shield 65 Plus (HMO) (H0504-039-000, H0504); Blue Shield 65 Plus Plan 2 (HMO) (H0504-021-000, H0504); Blue Shield Inspire (HMO) (H0504-041-000, H0504); Blue Shield 65 Plus (HMO) (H0504-038-000, H0504); Blue Shield Inspire (HMO) (H0504-047-000, H0504); Blue Shield 65 Plus (HMO) (H0504-026-000, H0504); Blue Shield Advantage (HMO) (H0504-050-000, H0504); Blue Shield AdvantageOptimum Plan (HMO) (H5928-004-000, H5928); Blue Shield Inspire (HMO) (H0504-043-000, H0504)…

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1152489600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1774396800000",
    "number": "1023042751",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9850 GENESEE AVENUE",
            "address_2": "SUITE 940",
            "city": "LA JOLLA",
            "state": "CA",
            "postal_code": "92037",
            "telephone_number": "858-658-0020",
            "fax_number": "858-658-0084"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9850 GENESEE AVENUE",
            "address_2": "SUITE 940",
            "city": "LA JOLLA",
            "state": "CA",
            "postal_code": "92037",
            "telephone_number": "858-658-0020",
            "fax_number": "858-658-0084"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CARDIAC ARRHYTHMIA ASSOCIATES, A MEDICAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-07-10",
        "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": "207RC0001X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0061630",
            "state": "CA"
        }
    ],
    "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.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.