DR. WILLIAM CARTER GRINSTEAD III MD, FACC
NPI 1306859533
Internal Medicine - Cardiovascular Disease in Houston, TX

Active since August 15, 2006
7737 SOUTHWEST FWY, SUITE 780, HOUSTON, TX 77074(713) 988-9512(713) 988-9515 Get Directions Write a Review

NPPES record last updated: February 6, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William Carter Grinstead Iii Md, Facc NPPES

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

DR. WILLIAM CARTER GRINSTEAD III MD, FACC (NPI 1306859533) is an individual cardiovascular disease provider in Houston, Texas, licensed in Texas (H2418) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1306859533
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. WILLIAM CARTER GRINSTEAD IIICredential: MD, FACC
Location Address7737 SOUTHWEST FWY, SUITE 780Houston, TX 77074-1807
Mailing Address909 Frostwood Dr, Suite 1.100Houston, TX 77024-2301 · (713) 338-4523 · Fax (713) 338-5500
Fax(713) 988-9515
Sole ProprietorNo
Enumeration DateAugust 15, 2006
Last NPPES UpdateFebruary 6, 2012
NPI 1306859533 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in TX · H2418
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 · Interventional CardiologyTaxonomy 207RI0011X · License H2418 (TX)
7737 SOUTHWEST FWY, Houston, TX 77074

Other Identifiers 4

Medicaid128438205TX
Medicare UPINF57879TX
Other060036684TX · Railroad Medicare
Medicare PIN84K788TX

Other Providers at the Same Location NPPES 20

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

Audiologist
7737 SOUTHWEST FWY, SUITE 630
HOUSTON, TX 77074
Plastic Surgery
7737 SOUTHWEST FWY, SUITE 950
HOUSTON, TX 77074
Dentist (General Practice)
7737 SOUTHWEST FWY, SUITE 960
HOUSTON, TX 77074
Specialist
7737 SOUTHWEST FWY, 230
HOUSTON, TX 77074
Otolaryngology (Pediatric Otolaryngology)
7737 SOUTHWEST FWY
HOUSTON, TX 77074
Obstetrics & Gynecology
7737 SOUTHWEST FWY, SUITE 819
HOUSTON, TX 77074
Podiatrist (Foot & Ankle Surgery)
7737 SOUTHWEST FWY, SUITE 500
HOUSTON, TX 77074
Specialist
7737 SOUTHWEST FWY, SUITE 955
HOUSTON, TX 77074

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 William Grinstead's NPI number?

The NPI number for William Grinstead is 1306859533. It was assigned to this individual provider in the NPPES registry on August 15, 2006.

Where is William Grinstead located?

William Grinstead practices at 7737 Southwest Fwy Suite 780, Houston, TX 77074. The listed phone number is (713) 988-9512.

What is William Grinstead's specialty?

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

When was this NPI record last updated?

The NPPES record for William Grinstead was last updated on February 6, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.