Chiemezie Onyewuchi, MD
Internal Medicine Physician · Metairie, LA
Chiemezie Onyewuchi, MD is an internal medicine physician with a practice address in Metairie, Louisiana, and NPI 1033564802, issued on Apr 29, 2016. Check the license (Louisiana 322560, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Chiemezie Onyewuchi
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 322560 LA
Self-reported in NPPES; status is on the state search - Practice location
- 3530 Houma Blvd Ste 300, Metairie, LA 70006
- Phone
- (504) 264-5142
- Enumerated
- Apr 29, 2016
- Record last updated
- Mar 8, 2022
- Fax
- (504) 455-2648
- Medicare enrollment
- Enrolled (PECOS I20201019002888); may accept Medicare assignment
- Medical or professional school
- Meharry Medical College School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 3530 Houma Blvd Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Chiemezie Onyewuchi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 322560Check 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 internal medicine physician in 2024
10,710 Medicare Part D claims for 612 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 138 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium603 claims
- Amlodipine Besylate497 claims
- Atorvastatin Calcium438 claims
- Losartan Potassium405 claims
- Levothyroxine Sodium331 claims
- Metoprolol Succinate310 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: $14.08
1 payment: food and beverage; the largest payer was Dexcom, 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.
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
- Pmr LA Holding, LLCMetairie, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chiemezie Onyewuchi among 1,749 internal medicine physician records in Louisiana
Chiemezie Onyewuchi, MD is one of 1,749 internal medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 72% of them.
- NPI issued2016 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2015 · median 2008 among the 1,216 with a school on file
- Record last updated2022 · 56% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
76 internal medicine physician records list a practice address in Metairie
They are 76 of the 5,682 NPPES records with a practice address in Metairie, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Metairie → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Alden, M.D.Metairie, LA 700061427036656
- Susan Caldwell, MDMetairie, LA 700061528055340
- Bradley Collins, MDMetairie, LA 700061629034541
- Frederick Dantagnan, MDMetairie, LA 700061124091574
- Monty Glorioso, MDMetairie, LA 700061962467191
- Maureen Hecker-Rodriguez, M.D.Metairie, LA 700061861453433
- Van Le, MDMetairie, LA 700061922042860
- Lawrence Levy, MDMetairie, LA 700061043276744
Common questions
What is Chiemezie Onyewuchi, MD's NPI number?
Chiemezie Onyewuchi, MD's National Provider Identifier (NPI) is 1033564802, issued on Apr 29, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Chiemezie Onyewuchi, MD located?
The NPPES record lists a practice address at 3530 Houma Blvd Ste 300, Metairie, LA, 70006. Phone: (504) 264-5142. Providers update this record themselves, so call before visiting.
How can I verify Chiemezie Onyewuchi, MD's license?
NPPES lists Louisiana license number 322560, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chiemezie Onyewuchi, MD prescribe under Medicare Part D?
In 2024, Chiemezie Onyewuchi, MD had 10,710 Medicare Part D claims for 612 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.