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HOUSTON GASTROENTEROLOGY ASSOCIATES
NPI 1942406889
Specialist in Katy, TX

Active since June 26, 2007CLIA 45D2309681 · Certificate of Compliance
21316 PROVINCIAL BLVD, KATY, TX 77450(281) 647-6667(281) 647-6610 Get Directions Write a Review

NPPES record last updated: April 5, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Houston Gastroenterology Associates NPPES

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

HOUSTON GASTROENTEROLOGY ASSOCIATES (NPI 1942406889), doing business as Craig S. Gordon, M.d., is a healthcare organization registered as a specialist in Katy, Texas and active in the NPI registry since June 2007. The organization holds a CLIA Certificate of Compliance certificate valid through March 19, 2027 and lists Spencer C.y. Li, Md, as its authorized official.

NPPES Registry Identity

NPI1942406889
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameHOUSTON GASTROENTEROLOGY ASSOCIATES
Location Address21316 PROVINCIAL BLVDKaty, TX 77450-7580
Mailing Address21316 Provincial BlvdKaty, TX 77450-7580 · (281) 647-6667 · Fax (281) 647-6610
Phone(281) 647-6667
Fax(281) 647-6610
Organization SubpartNo
Authorized OfficialSpencer C.y. LiMd · (281) 647-6667
Enumeration DateJune 26, 2007
Last NPPES UpdateApril 5, 2021
NPPES CertifiedApril 5, 2021
✔ NPI 1942406889 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
21316 PROVINCIAL BLVD, Katy, TX 77450
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Other Names 1

Former Legal Business NameCraig S. Gordon, M.d.

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)

Houston Gastroenterology Associates 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 Houston Gastroenterology Associates, which bills Medicare for the services this clinician delivers.

Clinician (1)

Spencer Li, M.D.
Gastroenterology
NPI 1467433011
21316 PROVINCIAL BLVD
Katy, TX 77450
(281) 647-6667
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Compliance 45D2309681

Houston Gastroenterology Associates · Katy, TX
Active · expires Mar 19, 2027
CLIA Number45D2309681
Laboratory TypePhysician Office
Certificate Effective DateMarch 20, 2025
Certificate Expiration DateMarch 19, 2027
Laboratory DirectorKarla Perrizo
Laboratory Phone(281) 647-6667
Laboratory LocationHouston Gastroenterology Associates21316 Provincial Blvd, Katy, TX 77450
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Houston Gastroenterology Associates's NPI number?

The NPI number for Houston Gastroenterology Associates is 1942406889. It was assigned to this organization in the NPPES registry on June 26, 2007. The provider was formerly known as Craig S. Gordon, M.D..

Where is Houston Gastroenterology Associates located?

Houston Gastroenterology Associates is located at 21316 Provincial Blvd, Katy, TX 77450. The listed phone number is (281) 647-6667.

What is Houston Gastroenterology Associates's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Houston Gastroenterology Associates enrolled in Medicare?

Yes. Houston Gastroenterology Associates is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Houston Gastroenterology Associates?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Houston Gastroenterology Associates. 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.

Does Houston Gastroenterology Associates hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 45D2309681) is associated with this NPI, valid through March 19, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Houston Gastroenterology Associates was last updated on April 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.