NPPES file of Aug 9, 2026

Catherine Okonji-Azuogu, M.D.

Internal Medicine Physician · Cypress, TX

Catherine Okonji-Azuogu, M.D. is an internal medicine physician with a practice address in Cypress, Texas, and NPI 1801821939, issued on Jul 11, 2006. Check the license (Texas L7507, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801821939
Name
Catherine Okonji-Azuogu
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
L7507 TX
Self-reported in NPPES; status is on the state search
Practice location
25801 Highway 290, Cypress, TX 77429
Phone
(281) 304-1100
Enumerated
Jul 11, 2006
Record last updated
Sep 8, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(281) 256-0205
Medicare enrollment
Enrolled (PECOS I20040429001256); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 25801 Highway 290

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amy Mann, RN, FNPFamily Nurse Practitioner1477127231
  2. Christopher Ogunro, M.D.Internal Medicine Physician1073562328
  3. Kenneth Ro, M.D.Emergency Medicine Physician1124076971

Verify Catherine Okonji-Azuogu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L7507
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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88% fewer Medicare Part D claims than the average internal medicine physician in 2024

377 Medicare Part D claims for 211 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Catherine Okonji-Azuogu377
  2. Specialty average3,176

Most prescribed

  1. Fluticasone Propionate42 claims
  2. Amoxicillin-Clavulanate Potass33 claims
  3. Azithromycin26 claims
  4. Prednisone23 claims
  5. Ciprofloxacin Hcl21 claims
  6. Paxlovid20 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $23.40

1 payment: food and beverage; the largest payer was Optinose US, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Okonji-Azuogu$23.40
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Excel Urgent Care, PLLCMissouri City, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Catherine Okonji-Azuogu among 9,175 internal medicine physician records in Texas

Catherine Okonji-Azuogu, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2006 · median 2004 among the 6,088 with a school on file
  • Record last updated2016 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

39 internal medicine physician records list a practice address in Cypress

They are 39 of the 2,457 NPPES records with a practice address in Cypress, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lisa Chan, M.D.Cypress, TX 774291992860829
  2. Kelly Englund, MDCypress, TX 774291144251406
  3. Sanjay Jaswani, M.D.Cypress, TX 774291548418288
  4. Marilyn Mayer, MDCypress, TX 774291205818853
  5. Bijoy Mukherjee, DOCypress, TX 774291538450879
  6. Harcharan Narang, M.D.Cypress, TX 774291144212978
  7. Thuan Nguyen, M.D.Cypress, TX 774291841206703
  8. Gabriela Nicola, M.D.Cypress, TX 774291164674628

Common questions

What is Catherine Okonji-Azuogu, M.D.'s NPI number?

Catherine Okonji-Azuogu, M.D.'s National Provider Identifier (NPI) is 1801821939, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Okonji-Azuogu, M.D. located?

The NPPES record lists a practice address at 25801 Highway 290, Cypress, TX, 77429. Phone: (281) 304-1100. Providers update this record themselves, so call before visiting.

How can I verify Catherine Okonji-Azuogu, M.D.'s license?

NPPES lists Texas license number L7507, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Catherine Okonji-Azuogu, M.D. prescribe under Medicare Part D?

In 2024, Catherine Okonji-Azuogu, M.D. had 377 Medicare Part D claims for 211 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.