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CARDIAC ARRHYTHMIA CARE, PLLC
NPI 1548813207
Internal Medicine - Clinical Cardiac Electrophysiology in Houston, TX

Active since July 22, 2019
9440 BELLAIRE BLVD STE 206, HOUSTON, TX 77036(832) 510-7962(888) 421-6618 Get Directions Write a Review

NPPES record last updated: April 13, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 13, 2020, Jan 2, 2020, Jul 22, 2019 (3 updates tracked since 2019).

About Cardiac Arrhythmia Care, Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CARDIAC ARRHYTHMIA CARE, PLLC (NPI 1548813207) is a healthcare organization registered as a clinical cardiac electrophysiology in Houston, Texas and active in the NPI registry since July 2019. The organization lists Khuyen Q Do, Owner/physicin, as its authorized official.

NPPES Registry Identity

NPI1548813207
Entity TypeOrganization
Primary Taxonomy207RC0001X
Legal Business NameCARDIAC ARRHYTHMIA CARE, PLLC
Location Address9440 BELLAIRE BLVD STE 206Houston, TX 77036-4557
Mailing Address9440 Bellaire Blvd Ste 206Houston, TX 77036-4557 · (832) 510-7962 · Fax (888) 421-6618
Phone(832) 510-7962
Fax(888) 421-6618
Organization SubpartNo
Authorized OfficialKhuyen Q DoOwner/physicin · (832) 510-7692
Enumeration DateJuly 22, 2019
Last NPPES UpdateApril 13, 20203 updates tracked since enumeration
NPPES CertifiedApril 13, 2020
✔ NPI 1548813207 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
Definition
A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
9440 BELLAIRE BLVD STE 206, Houston, TX 77036
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 Care, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Cardiac Arrhythmia Care, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Khuyen Do, M.D.
Cardiac Electrophysiology
NPI 1730481516
14325 HARGRAVE RD, #280
Houston, TX 77070
(832) 478-5067
✔ PECOS✔ Accepts Medicare

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 Care, PLLC's NPI number?

The NPI number for Cardiac Arrhythmia Care, PLLC is 1548813207. It was assigned to this organization in the NPPES registry on July 22, 2019.

Where is Cardiac Arrhythmia Care, PLLC located?

Cardiac Arrhythmia Care, PLLC is located at 9440 Bellaire Blvd Ste 206, Houston, TX 77036. The listed phone number is (832) 510-7962.

What is Cardiac Arrhythmia Care, PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Cardiac Arrhythmia Care, PLLC enrolled in Medicare?

Yes. Cardiac Arrhythmia Care, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cardiac Arrhythmia Care, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiac Electrophysiology) reassigns their Medicare billing to Cardiac Arrhythmia Care, PLLC. 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. 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 Care, PLLC was last updated on April 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.