CARDIAC ARRHYTHMIA ASSOCIATES, A MEDICAL CORPORATION
NPI 1023042751
Internal Medicine - Clinical Cardiac Electrophysiology in La Jolla, CA
About Cardiac Arrhythmia Associates, A Medical Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARDIAC ARRHYTHMIA ASSOCIATES, A MEDICAL CORPORATION (NPI 1023042751) is a healthcare organization registered as a clinical cardiac electrophysiology in La Jolla, California and active in the NPI registry since July 2006. The organization lists George Stuart Mendenhall, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Cardiac Arrhythmia Associates, A Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Cardiac Arrhythmia Associates, A Medical Corporation, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Cardiac Arrhythmia Associates, A Medical Corporation's NPI number?
The NPI number for Cardiac Arrhythmia Associates, A Medical Corporation is 1023042751. It was assigned to this organization in the NPPES registry on July 10, 2006.
Where is Cardiac Arrhythmia Associates, A Medical Corporation located?
Cardiac Arrhythmia Associates, A Medical Corporation is located at 9850 Genesee Avenue Suite 940, La Jolla, CA 92037. The listed phone number is (858) 658-0020.
What is Cardiac Arrhythmia Associates, A Medical Corporation's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Cardiac Arrhythmia Associates, A Medical Corporation enrolled in Medicare?
Yes. Cardiac Arrhythmia Associates, A Medical Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Cardiac Arrhythmia Associates, A Medical Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Cardiac Electrophysiology, reassign their Medicare billing to Cardiac Arrhythmia Associates, A Medical Corporation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Cardiac Arrhythmia Associates, A Medical Corporation was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Cardiac Arrhythmia Associates, A Medical Corporation · NPI 1023042751
Clinical Cardiac Electrophysiology organization in La Jolla, California. Organization record, active in the CMS NPPES registry since July 10, 2006.
## Identity
- **NPI:** 1023042751 (Entity type: Organization)
- **Enumerated:** July 10, 2006
- **Primary specialty:** Internal Medicine - Clinical Cardiac Electrophysiology · taxonomy 207RC0001X
- **Organization subpart:** No
- **Authorized official:** George Mendenhall, CEO
## Practice location
- **Address:** 9850 GENESEE AVENUE, SUITE 940, La Jolla, CA 92037
- **Phone:** (858) 658-0020 · **Fax:** (858) 658-0084
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians (Cardiac Electrophysiology) reassign Medicare billing to this organization (form CMS-855R); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 25, 2026
- **Other identifiers:** Medicaid GR0061630 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1023042751) · Data from the CMS NPPES public registry.