Quick answers
- Does Catherine U. Okonji-Azuogu accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine U. Okonji-Azuogu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Catherine U. Okonji-Azuogu see?
- In 2024, CMS data shows 142 Original Medicare patients and 786 services for Catherine U. Okonji-Azuogu. This counts Original Medicare only and measures volume, not quality.
- What is Catherine U. Okonji-Azuogu's NPI number?
- 1801821939. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Catherine U. Okonji-Azuogu, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 142 |
|---|---|
| Services billed to Medicare | 786 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)255 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)137 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)78 services
- Injection, ketorolac tromethamine, per 15 mg (J1885)50 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (87426)48 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes39%
- Chronic kidney disease25%
- Ischemic heart disease23%
Practice locations
Addresses where Catherine U. Okonji-Azuogu is enrolled with Medicare (CMS data updated October 2, 2026).
- 6840 Hwy 6, Suite AMissouri City, TX 77459 (281) 403‑3660
Group practices
Medicare enrollment lists Catherine U. Okonji-Azuogu as a member of this group (CMS data updated October 2, 2026).
- Excel Urgent Care, PLLC14 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Missouri City
Clinicians with the same Medicare primary specialty in Missouri City, TX — not a recommendation.
Other clinicians in Excel Urgent Care, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801821939 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians