HOUSTON INTERNAL MEDICINE SPECIALISTS
NPI 1609826569
Internal Medicine in Houston, TX

Q: What is Houston Internal Medicine Specialists's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since May 11, 2006CLIA 45D1061684 · Waiver

7737 BEECHNUT ST, SUITE 202, HOUSTON, TX 77074(713) 773-2255(713) 773-2277 Get Directions Write a Review

NPPES record last updated: September 10, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Houston Internal Medicine Specialists NPPES

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

HOUSTON INTERNAL MEDICINE SPECIALISTS (NPI 1609826569) is a healthcare organization registered as an internal medicine in Houston, Texas and active in the NPI registry since May 2006. The organization holds a CLIA Waiver certificate valid through November 26, 2026 and lists Johnson Agu, Doctor, as its authorized official.

NPPES Registry Identity

NPI1609826569

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameHOUSTON INTERNAL MEDICINE SPECIALISTS

Location Address7737 BEECHNUT ST, SUITE 202Houston, TX 77074

Mailing Address7737 Beechnut St, Suite 202Houston, TX 77074 · (713) 773-2255 · Fax (713) 773-2277

Phone(713) 773-2255

Fax(713) 773-2277

Organization SubpartNo

Authorized OfficialJohnson AguDoctor · (713) 773-2255

Enumeration DateMay 11, 2006

Last NPPES UpdateSeptember 10, 2021

NPPES CertifiedSeptember 10, 2021

✔ NPI 1609826569 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TX · K9007

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

7737 BEECHNUT ST, Houston, TX 77074

Open in Google Maps ↗

Other Identifiers 1

Medicaid152481101TX

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 Internal Medicine Specialists 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 Internal Medicine Specialists, which bills Medicare for the services this clinician delivers.

Clinician (1)

Johnson Agu, MD

Internal Medicine

NPI 1912957879

7737 BEECHNUT ST SUITE 202
Houston, TX 77074

(713) 773-2255

✔ 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 Waiver 45D1061684

Houston Internal Medicine · Houston, TX

Active · expires Nov 26, 2026

CLIA Number45D1061684

Laboratory TypePhysician Office

Certificate Effective DateNovember 27, 2024

Certificate Expiration DateNovember 26, 2026

Laboratory DirectorJohnson I. Agu

Laboratory Phone(713) 773-2255

Laboratory LocationHouston Internal Medicine7737 Beechnut Street Suite 202, Houston, TX 77074

CLIA data matches this NPI record on: Address Name Phone

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

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 Internal Medicine Specialists's NPI number?

The NPI number for Houston Internal Medicine Specialists is 1609826569. It was assigned to this organization in the NPPES registry on May 11, 2006.

Where is Houston Internal Medicine Specialists located?

Houston Internal Medicine Specialists is located at 7737 Beechnut St Suite 202, Houston, TX 77074. The listed phone number is (713) 773-2255.

What is Houston Internal Medicine Specialists's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Houston Internal Medicine Specialists enrolled in Medicare?

Yes. Houston Internal Medicine Specialists is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Houston Internal Medicine Specialists?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Houston Internal Medicine Specialists. 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 Internal Medicine Specialists hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D1061684) is associated with this NPI, valid through November 26, 2026. 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 Internal Medicine Specialists was last updated on September 10, 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.