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APEX CARDIOLOGY OF HOUSTON, PLLC
NPI 1356865737
Internal Medicine - Cardiovascular Disease in Houston, TX

Active since July 27, 2017
11914 ASTORIA BLVD STE 410, HOUSTON, TX 77089(281) 922-9239(855) 518-5437 Get Directions Write a Review

NPPES record last updated: December 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 12, 2025, Jul 1, 2024, Aug 11, 2021 and 3 more (6 updates tracked since 2017).

About Apex Cardiology Of Houston, Pllc NPPES

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

APEX CARDIOLOGY OF HOUSTON, PLLC (NPI 1356865737) is a healthcare organization registered as a cardiovascular disease in Houston, Texas and active in the NPI registry since July 2017. The organization maintains a secondary practice location in Friendswood and lists Mary Nguyen, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1356865737
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameAPEX CARDIOLOGY OF HOUSTON, PLLC
Location Address11914 ASTORIA BLVD STE 410Houston, TX 77089-6049
Mailing Address11914 Astoria Blvd Ste 410Houston, TX 77089-6049 · (281) 922-9239 · Fax (855) 518-5437
Phone(281) 922-9239
Fax(855) 518-5437
Organization SubpartNo
Authorized OfficialMary NguyenPractice Manager · (281) 922-9239
Enumeration DateJuly 27, 2017
Last NPPES UpdateDecember 12, 20256 updates tracked since enumeration
NPPES CertifiedDecember 12, 2025
✔ NPI 1356865737 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in TX · P7778
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
11914 ASTORIA BLVD STE 410, Houston, TX 77089
Open in Google Maps ↗

Secondary Practice Location 1

Location 1107 Woodlawn Dr Ste 109Friendswood, TX 77546-3987 · Phone (281) 922-9239 · Fax (855) 518-5437

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellPoint.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)

Apex Cardiology Of Houston, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Apex Cardiology Of Houston, PLLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Vu Hoang, M.D.
Cardiovascular Disease (Cardiology)
NPI 1689968885
11914 ASTORIA BLVD STE 410
Houston, TX 77089
(281) 922-9239
✔ PECOS✔ Accepts MedicareSame address
Don Pham, M.D.
Cardiovascular Disease (Cardiology)
NPI 1053631580
11914 ASTORIA BLVD STE 410
Houston, TX 77089
(281) 922-9239
✔ PECOS✔ Accepts MedicareSame address
Paul Katigbak, M.D.
Cardiovascular Disease (Cardiology)
NPI 1417390410
1900 SCENIC DR STE 3308
Georgetown, TX 78626
(512) 869-2566
✔ PECOS✔ Accepts Medicare165 mi

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 Apex Cardiology Of Houston, PLLC's NPI number?

The NPI number for Apex Cardiology Of Houston, PLLC is 1356865737. It was assigned to this organization in the NPPES registry on July 27, 2017.

Where is Apex Cardiology Of Houston, PLLC located?

Apex Cardiology Of Houston, PLLC is located at 11914 Astoria Blvd Ste 410, Houston, TX 77089. The listed phone number is (281) 922-9239.

What is Apex Cardiology Of Houston, PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Apex Cardiology Of Houston, PLLC enrolled in Medicare?

Yes. Apex Cardiology Of Houston, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Apex Cardiology Of Houston, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Cardiovascular Disease (Cardiology), reassign their Medicare billing to Apex Cardiology Of Houston, 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Apex Cardiology Of Houston, PLLC accept?

Health plans from WellPoint list Apex Cardiology Of Houston, PLLC 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 Apex Cardiology Of Houston, PLLC was last updated on December 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.