1. Home
  2. Directory
  3. Texas
  4. Houston
  5. Internal Medicine
  6. NPI Profile

KALU I OGBONNAYA, M.D., P.A..
NPI 1649470253
Internal Medicine in Houston, TX

Active since July 21, 2007CLIA 45D1080802 · Waiver
9888 BISSONNET ST STE 160, HOUSTON, TX 77036(713) 272-3780 Get Directions Write a Review

NPPES record last updated: July 21, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Kalu I Ogbonnaya, M.d., P.a.. NPPES

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

KALU I OGBONNAYA, M.D., P.A.. (NPI 1649470253) is a healthcare organization registered as an internal medicine in Houston, Texas and active in the NPI registry since July 2007. The organization holds a CLIA Waiver certificate valid through April 19, 2028 and lists Sandra J Melgar, Billing Manager, as its authorized official.

NPPES Registry Identity

NPI1649470253
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameKALU I OGBONNAYA, M.D., P.A..
Location Address9888 BISSONNET ST STE 160Houston, TX 77036-8039
Mailing Address9888 Bissonnet St Ste 160Houston, TX 77036-8039 · (713) 272-3780
Phone(713) 272-3780
Organization SubpartNo
Authorized OfficialSandra J MelgarBilling Manager · (713) 628-3033
Enumeration DateJuly 21, 2007
✔ NPI 1649470253 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 · G7415
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.
9888 BISSONNET ST STE 160, Houston, TX 77036
Open in Google Maps ↗

Other Identifiers 3

Medicare PIN00220UTX
Medicare UPINB25238TX
Medicare PIN8996B9TX

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)

Kalu I Ogbonnaya, M.d., P.a.. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Kalu I Ogbonnaya, M.D., P.A.., which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Kalu Ogbonnaya, M.D., P.A.
Family Practice
NPI 1396737730
9888 BISSONNET ST SUITE 160
Houston, TX 77036
(713) 272-3780
✔ PECOS✔ Accepts Medicare0.2 mi
Agatha Duru, AGNP
Nurse Practitioner
NPI 1013579176
9888 BISSONNET ST STE 160
Houston, TX 77036
(713) 272-3780
✔ PECOS0.2 mi

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 45D1080802

Kalu Ogbonnaya, MD, PA · Houston, TX
Active · expires Apr 19, 2028
CLIA Number45D1080802
Laboratory TypePhysician Office
Certificate Effective DateApril 20, 2026
Certificate Expiration DateApril 19, 2028
Laboratory DirectorKalu I. Ogbonnaya
Laboratory Phone(713) 272-3780
Laboratory LocationKalu Ogbonnaya, MD, PA9888 Bissonnet Street #160, Houston, TX 77036
CLIA data matches this NPI record on: 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 Kalu I Ogbonnaya, M.D., P.A..'s NPI number?

The NPI number for Kalu I Ogbonnaya, M.D., P.A.. is 1649470253. It was assigned to this organization in the NPPES registry on July 21, 2007.

Where is Kalu I Ogbonnaya, M.D., P.A.. located?

Kalu I Ogbonnaya, M.D., P.A.. is located at 9888 Bissonnet St Ste 160, Houston, TX 77036. The listed phone number is (713) 272-3780.

What is Kalu I Ogbonnaya, M.D., P.A..'s specialty?

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

Is Kalu I Ogbonnaya, M.D., P.A.. enrolled in Medicare?

Yes. Kalu I Ogbonnaya, M.D., P.A.. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Kalu I Ogbonnaya, M.D., P.A..?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Kalu I Ogbonnaya, M.D., P.A.., in Family Practice and Nurse Practitioner. 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 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Kalu I Ogbonnaya, M.D., P.A.. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D1080802) is associated with this NPI, valid through April 19, 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 Kalu I Ogbonnaya, M.D., P.A.. was last updated on July 21, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.