CARDIAC ARRHYTHMIA SERVICES LTD
NPI 1770504987
Internal Medicine - Clinical Cardiac Electrophysiology in Elgin, IL
About Cardiac Arrhythmia Services Ltd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARDIAC ARRHYTHMIA SERVICES LTD (NPI 1770504987) is a healthcare organization registered as a clinical cardiac electrophysiology in Elgin, Illinois and active in the NPI registry since July 2006. The organization lists Pradeep Maheshwari, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Group Practice 1
Accepted Insurance
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 Services Ltd 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 Services Ltd, which bills Medicare for the services they deliver. Of these, 2 practice 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 Services Ltd's NPI number?
The NPI number for Cardiac Arrhythmia Services Ltd is 1770504987. It was assigned to this organization in the NPPES registry on July 22, 2006.
Where is Cardiac Arrhythmia Services Ltd located?
Cardiac Arrhythmia Services Ltd is located at 1435 N Randall Rd Suite 206, Elgin, IL 60123. The listed phone number is (847) 429-8988.
What is Cardiac Arrhythmia Services Ltd's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Cardiac Arrhythmia Services Ltd enrolled in Medicare?
Yes. Cardiac Arrhythmia Services Ltd is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Cardiac Arrhythmia Services Ltd?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Cardiac Arrhythmia Services Ltd, in Cardiovascular Disease (Cardiology) and Nurse Practitioner. 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, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Cardiac Arrhythmia Services Ltd accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Cardiac Arrhythmia Services Ltd as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Cardiac Arrhythmia Services Ltd was last updated on April 8, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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 Services Ltd · NPI 1770504987
Clinical Cardiac Electrophysiology organization in Elgin, Illinois. Organization record, active in the CMS NPPES registry since July 22, 2006.
## Identity
- **NPI:** 1770504987 (Entity type: Organization)
- **Enumerated:** July 22, 2006
- **Primary specialty:** Internal Medicine - Clinical Cardiac Electrophysiology · taxonomy 207RC0001X
- **Organization subpart:** No
- **Authorized official:** Pradeep Maheshwari, PRESIDENT
## Practice location
- **Address:** 1435 N RANDALL RD, SUITE 206, Elgin, IL 60123-2306
- **Phone:** (847) 429-8988 · **Fax:** (847) 324-2195
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Cardiovascular Disease (Cardiology) (1), Nurse Practitioner (1); 2 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 8, 2015
- **Other identifiers:** Medicaid 036072514 (IL); Medicare PIN 213786 (IL); Medicare UPIN F31163 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1770504987) · Data from the CMS NPPES public registry.