WILLOWBROOK CARDIOVASCULAR ASSOCIATES
NPI 1194789974
Internal Medicine - Cardiovascular Disease in Houston, TX

Q: What is Willowbrook Cardiovascular Associates, P.A.'s specialty?

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

Active since April 17, 2006CLIA 45D1049868 · Waiver

13300 HARGRAVE RD, STE 500, HOUSTON, TX 77070(281) 890-4848(281) 890-4885 Get Directions Write a Review

NPPES record last updated: March 10, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Willowbrook Cardiovascular Associates NPPES

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

WILLOWBROOK CARDIOVASCULAR ASSOCIATES (NPI 1194789974) is a healthcare organization registered as a cardiovascular disease in Houston, Texas and active in the NPI registry since April 2006. The organization holds a CLIA Waiver certificate valid through January 18, 2028 and lists John Charles Isaac, Chief Finacial Officer, as its authorized official.

NPPES Registry Identity

NPI1194789974

Entity TypeOrganization

Primary Taxonomy207RC0000X

Legal Business NameWILLOWBROOK CARDIOVASCULAR ASSOCIATES, P.A.

Location Address13300 HARGRAVE RD, STE 500Houston, TX 77070-4373

Mailing Address13300 Hargrave Rd, Ste 500Houston, TX 77070-4373 · (281) 890-4848 · Fax (281) 890-4885

Phone(281) 890-4848

Fax(281) 890-4885

Organization SubpartNo

Authorized OfficialJohn Charles IsaacChief Finacial Officer · (281) 890-4848

Enumeration DateApril 17, 2006

Last NPPES UpdateMarch 10, 2010

✔ NPI 1194789974 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in TX · 207RC0000X

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.

Also ListedInternal Medicine · Clinical Cardiac ElectrophysiologyTaxonomy 207RC0001X · License 207RC0001X (TX)

Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License 207RI0011X (TX)

13300 HARGRAVE RD, Houston, TX 77070

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Other Names 1

Other NameWillowbrook Cardiovascular Associates

Other Identifiers 2

Medicaid151663501TX

Medicare PIN00695TTX

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 MULTIPLE SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D1049868

Willowbrook Cardiovascular Associates · Houston, TX

Active · expires Jan 18, 2028

CLIA Number45D1049868

Laboratory TypePhysician Office

Certificate Effective DateJanuary 19, 2026

Certificate Expiration DateJanuary 18, 2028

Laboratory DirectorJohn C. Issac

Laboratory Phone(281) 890-4848

Laboratory LocationWillowbrook Cardiovascular Associates7010 Champions Plaza Dr Suite 200, Houston, TX 77069

CLIA data matches this NPI record on: Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BONNIE BEAM PTA

Physical Therapy Assistant

13300 HARGRAVE RD, SUITE 400
HOUSTON, TX 77070

Harris County (281) 955-7577

WILLOWBROOK MRI

Clinic/Center (Magnetic Resonance Imaging (MRI))

13300 HARGRAVE RD, SUITE 110
HOUSTON, TX 77070

Harris County (281) 955-7577

DR. MASROOR RAHMANI M.D.

Hospitalist

13300 HARGRAVE RD
HOUSTON, TX 77070

Harris County (281) 737-0587

MISS BRITTNEY NICHELLE RICHARD ACNP

Nurse Practitioner (Acute Care)

13300 HARGRAVE RD, SUITE 500
HOUSTON, TX 77070

Harris County (281) 890-4848

NORTH EAST REHAB CENTER WILLOWBROOK

Physical Therapist

13300 HARGRAVE RD, SUITE 490
HOUSTON, TX 77070

Harris County (281) 646-1935

DR. MARTINA SHARI QUIVERS P.T., D.P.T

Physical Therapist

13300 HARGRAVE RD
HOUSTON, TX 77070

Harris County (281) 955-0512

AMY NAQUIN-CHAPPEL MD

Psychiatry & Neurology (Neurology)

13300 HARGRAVE RD, SUITE 505
HOUSTON, TX 77070

Harris County (281) 737-1167

MRS. JANET WALTERS GREENLEE P.A.-C

Physician Assistant (Medical)

13300 HARGRAVE RD, #505
HOUSTON, TX 77070

Harris County (281) 894-0177

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 Willowbrook Cardiovascular Associates, P.A.'s NPI number?

The NPI number for Willowbrook Cardiovascular Associates, P.A. is 1194789974. It was assigned to this organization in the NPPES registry on April 17, 2006. The provider is also known as Willowbrook Cardiovascular Associates.

Where is Willowbrook Cardiovascular Associates, P.A. located?

Willowbrook Cardiovascular Associates, P.A. is located at 13300 Hargrave Rd Ste 500, Houston, TX 77070. The listed phone number is (281) 890-4848.

What is Willowbrook Cardiovascular Associates, P.A.'s specialty?

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

Does Willowbrook Cardiovascular Associates, P.A. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D1049868) is associated with this NPI, valid through January 18, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Willowbrook Cardiovascular Associates, P.A. was last updated on March 10, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.