Ikenna F. Onyebueke, MD
Critical Care Medicine (Internal Medicine) Physician · Spartanburg, SC
Ikenna F. Onyebueke, MD is a critical care medicine (internal medicine) physician with a practice address in Spartanburg, South Carolina, and NPI 1700043106, issued on May 22, 2008. Check the license (South Carolina 33426, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ikenna F. Onyebueke
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 33426 SC
247177 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2030 N Church Street PL, Spartanburg, SC 29303
- Phone
- (864) 582-6858
- Enumerated
- May 22, 2008
- Record last updated
- Dec 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111128000651); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 78 in South Carolina → Look up another NPI →
Also registered at 2030 N Church Street PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Tomlin, FNPFamily Nurse Practitioner1114933264
Verify Ikenna F. Onyebueke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 33426Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.7 times the Medicare Part D claims of the average critical care medicine (internal medicine) physician in 2024
3,270 Medicare Part D claims for 509 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 78% of claims.
Most prescribed
- Trelegy Ellipta816 claims
- Albuterol Sulfate Hfa555 claims
- Breo Ellipta303 claims
- Breztri Aerosphere208 claims
- Anoro Ellipta140 claims
- Roflumilast137 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,863.74
68 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 2,708 providers of this specialty with any payment received $2,958.68 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.
Ikenna F. Onyebueke among 78 critical care medicine (internal medicine) physician records in South Carolina
Ikenna F. Onyebueke, MD is one of 78 critical care medicine (internal medicine) physician records with a practice address in South Carolina. 99% 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 38% of them.
- NPI issued2008 · 38% of these records are older, 49% newer
- In a Medicare fileYes · 99% of these records are
- In the CMS Doctors and Clinicians fileYes · 92% of these records are
- Graduated1998 · median 2005 among the 72 with a school on file
- Record last updated2015 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in South Carolina
There are 78 critical care medicine (internal medicine) physician records in South Carolina.
All 78 in South Carolina → Every provider in Spartanburg → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- John Clark, MDSpartanburg, SC 293031194798595
- Ryan Lapointe, MDSpartanburg, SC 293031184967929
- Rico V Mendoza, MDSpartanburg, SC 293031861466021
- Christopher Powers, MDSpartanburg, SC 293031285605295
- Stuart Reynolds, M.D.Spartanburg, SC 293031316215171
- Max Rosenthal, MDSpartanburg, SC 293031326656224
- Wilson Smith, MDSpartanburg, SC 293031982675625
- Tatsiana Beiko, M.D.Charleston, SC 294011295037836
Common questions
What is Ikenna F. Onyebueke, MD's NPI number?
Ikenna F. Onyebueke, MD's National Provider Identifier (NPI) is 1700043106, issued on May 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ikenna F. Onyebueke, MD located?
The NPPES record lists a practice address at 2030 N Church Street PL, Spartanburg, SC, 29303. Phone: (864) 582-6858. Providers update this record themselves, so call before visiting.
How can I verify Ikenna F. Onyebueke, MD's license?
NPPES lists South Carolina license number 33426, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ikenna F. Onyebueke, MD prescribe under Medicare Part D?
In 2024, Ikenna F. Onyebueke, MD had 3,270 Medicare Part D claims for 509 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Ikenna F. Onyebueke, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.