Catherine Okonji-Azuogu, M.D.
NPI 1801821939 · Internal Medicine Physician · Cypress, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Okonji-Azuogu, M.D. is a Internal Medicine Physician provider in Cypress, TX (NPI 1801821939).
Provider details
- NPI number
- 1801821939
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- L7507 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
409 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 137 | $87 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 78 | $16 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 48 | $35 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 40 | $14 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 39 | $106 |
| Automated Urinalysis Test81003 | 28 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 42 | 41 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 33 | 31 |
| Azithromycin | 26 | 26 |
| Prednisone | 23 | 23 |
| Ciprofloxacin Hcl | 21 | 18 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 20 | 20 |
| Methocarbamol | 13 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2016-09-08
Frequently asked questions
- What is Catherine Okonji-Azuogu's NPI number?
- Catherine Okonji-Azuogu's National Provider Identifier (NPI) is 1801821939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Okonji-Azuogu's specialty?
- Catherine Okonji-Azuogu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Okonji-Azuogu located?
- Catherine Okonji-Azuogu's practice location on file with NPPES is 25801 Highway 290, Cypress, TX 77429-1049.
- What is Catherine Okonji-Azuogu's phone number?
- The practice phone number listed in the NPPES registry for Catherine Okonji-Azuogu is (281) 304-1100.
- Does Catherine Okonji-Azuogu accept Medicare?
- Catherine Okonji-Azuogu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Okonji-Azuogu's NPI active?
- Yes — Catherine Okonji-Azuogu's NPI (1801821939) is active in the NPPES registry as of the last update on 2016-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.