NPPES file of Aug 9, 2026

Catherine N. Okoronkwo, M.D.

Internal Medicine Physician · Irving, TX

Catherine N. Okoronkwo, M.D. is an internal medicine physician with a practice address in Irving, Texas, and NPI 1447343017, issued on Oct 2, 2006. Check the license (Texas K2252, 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
1447343017
Name
Catherine N. Okoronkwo
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
K2252 TX
Self-reported in NPPES; status is on the state search
Practice location
1711 W. Irving Blvd, Irving, TX 75061
Phone
(972) 254-7272
Enumerated
Oct 2, 2006
Record last updated
Aug 22, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(972) 254-7575
Medicaid ID
127465604 TX
Medicare enrollment
Enrolled (PECOS I20110207000390); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 1988
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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Verify Catherine N. Okoronkwo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K2252
    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

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45% more Medicare Part D claims than the average internal medicine physician in 2024

4,605 Medicare Part D claims for 225 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Catherine Okoronkwo4,605
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium248 claims
  2. Amlodipine Besylate225 claims
  3. Gabapentin178 claims
  4. Lisinopril166 claims
  5. Metformin Hcl150 claims
  6. Losartan Potassium146 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: $105.29

6 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, 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 Okoronkwo$105.29
  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.

Catherine N. Okoronkwo among 9,175 internal medicine physician records in Texas

Catherine N. Okoronkwo, 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
  • Graduated1988 · median 2004 among the 6,088 with a school on file
  • Record last updated2008 · 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).

98 internal medicine physician records list a practice address in Irving

They are 98 of the 3,532 NPPES records with a practice address in Irving, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Suma Abraham, M.D.Irving, TX 750611396760039
  2. Jeffrey Austin, M.D.Irving, TX 750611184649824
  3. David Cantrell, MDIrving, TX 750611417997610
  4. Grace Castro-Andres, MDIrving, TX 750611851375422
  5. Erik Grossman, MDIrving, TX 750611447210331
  6. Ahmed Iqbal, M.D.Irving, TX 750611902837560
  7. Robert Israel, M.D.Irving, TX 750611154347227
  8. Deepti Kudyadi, MDIrving, TX 750611770554628

Common questions

What is Catherine N. Okoronkwo, M.D.'s NPI number?

Catherine N. Okoronkwo, M.D.'s National Provider Identifier (NPI) is 1447343017, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine N. Okoronkwo, M.D. located?

The NPPES record lists a practice address at 1711 W. Irving Blvd, Irving, TX, 75061. Phone: (972) 254-7272. Providers update this record themselves, so call before visiting.

How can I verify Catherine N. Okoronkwo, M.D.'s license?

NPPES lists Texas license number K2252, 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 N. Okoronkwo, M.D. prescribe under Medicare Part D?

In 2024, Catherine N. Okoronkwo, M.D. had 4,605 Medicare Part D claims for 225 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.