Nkeiruka Ngozi Onyenekwu, M.D.
Emergency Medicine Physician · San Antonio, TX
Nkeiruka Ngozi Onyenekwu, M.D. is an emergency medicine physician with a practice address in San Antonio, Texas, and NPI 1871739722, issued on Dec 24, 2008. Check the license (Texas P3403, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nkeiruka Ngozi Onyenekwu
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- P3403 TX
306684 LA
MT190390 PA
Self-reported in NPPES; status is on the state search - Practice location
- 4502 Medical Dr, San Antonio, TX 78229
- Phone
- (210) 358-2078
- Enumerated
- Dec 24, 2008
- Record last updated
- Sep 27, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 304412501 TX
- Medicare enrollment
- Enrolled (PECOS I20170918003193); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2007
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 4502 Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ali Abedi, M.D.Pulmonary Disease Physician1346566312
- Jordan Abel, M.D.Infectious Disease Physician1417273301
- Aesha Aboueisha, MDHospitalist Physician1225527815
- Seena Abraham, MDFamily Medicine Physician1306338561
Verify Nkeiruka Ngozi Onyenekwu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P3403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average emergency medicine physician in 2024
767 Medicare Part D claims for 161 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Eliquis25 claims
- Losartan Potassium25 claims
- Atorvastatin Calcium24 claims
- Meloxicam22 claims
- Ozempic17 claims
- Rosuvastatin Calcium17 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.
Bills Medicare through 2 group practices
- Belle Chasse Emergency Group LLCTerrytown, LA
- Foucher Emergency Group LLCNew Orleans, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nkeiruka Ngozi Onyenekwu among 4,885 emergency medicine physician records in Texas
Nkeiruka Ngozi Onyenekwu, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.
- NPI issued2008 · 41% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2007 · median 2013 among the 2,779 with a school on file
- Record last updated2017 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
400 emergency medicine physician records list a practice address in San Antonio
They are 400 of the 37,749 NPPES records with a practice address in San Antonio, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in San Antonio → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Bruce Adams, MDSan Antonio, TX 782291578552535
- Kathlene Bassett, MDSan Antonio, TX 782291801875273
- Barr Baynton, M.D.San Antonio, TX 782291326049198
- Victor Burgos, M.D.San Antonio, TX 782291376518639
- Hector Caraballo, M.D.San Antonio, TX 782291427023688
- Kevin King, M.D.San Antonio, TX 782291992796635
- Judith Knoll, DOSan Antonio, TX 782291861491862
- Robert Kottman, MDSan Antonio, TX 782291558356600
Common questions
What is Nkeiruka Ngozi Onyenekwu, M.D.'s NPI number?
Nkeiruka Ngozi Onyenekwu, M.D.'s National Provider Identifier (NPI) is 1871739722, issued on Dec 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Nkeiruka Ngozi Onyenekwu, M.D. located?
The NPPES record lists a practice address at 4502 Medical Dr, San Antonio, TX, 78229. Phone: (210) 358-2078. Providers update this record themselves, so call before visiting.
How can I verify Nkeiruka Ngozi Onyenekwu, M.D.'s license?
NPPES lists Texas license number P3403, 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 Nkeiruka Ngozi Onyenekwu, M.D. prescribe under Medicare Part D?
In 2024, Nkeiruka Ngozi Onyenekwu, M.D. had 767 Medicare Part D claims for 161 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.