Chiedu Charles Onunkwo, M.D.
Infectious Disease Physician · South Bend, IN
Chiedu Charles Onunkwo, M.D. is an infectious disease physician with a practice address in South Bend, Indiana, and NPI 1992752018, issued on May 27, 2006. Check the license (Indiana 01060521A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Chiedu Charles Onunkwo
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 01060521A IN
Self-reported in NPPES; status is on the state search - Practice location
- 621 Memorial Dr Ste 624, South Bend, IN 46601
- Phone
- (574) 647-8177
- Enumerated
- May 27, 2006
- Record last updated
- Jan 4, 2023
- Fax
- (574) 647-8536
- Medicare enrollment
- Enrolled (PECOS I20170721000181); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 162 in Indiana → Look up another NPI →
Also registered at 621 Memorial Dr Ste 624
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heidi Collins, MDPhysical Medicine & Rehabilitation Physician1093888430
- Kevin Cumper, M.D.Infectious Disease Physician1285072454
Verify Chiedu Charles Onunkwo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01060521ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average infectious disease physician in 2024
336 Medicare Part D claims for 63 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Cefazolin Sodium53 claims
- Sulfamethoxazole-Trimethoprim38 claims
- Ceftriaxone28 claims
- Biktarvy24 claims
- Daptomycin22 claims
- Fluconazole22 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: $85.37
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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
- Beacon Medical Group IncElkhart, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chiedu Charles Onunkwo among 162 infectious disease physician records in Indiana
Chiedu Charles Onunkwo, M.D. is one of 162 infectious disease physician records with a practice address in Indiana. 84% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1998 · median 2002 among the 122 with a school on file
- Record last updated2023 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Indiana
There are 162 infectious disease physician records in Indiana.
All 162 in Indiana → Every provider in South Bend → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Kevin Cumper, M.D.South Bend, IN 466011285072454
- Marjorie Daoud, MDSouth Bend, IN 466011346276995
- Sheree Peglow, M.D.South Bend, IN 466011184717506
- Nikkiya Fraser, MDWarsaw, IN 465821013132109
- April Morrison, MDWarsaw, IN 465821194759456
- Aerie Chung, MDMishawaka, IN 465451992960850
- Mohammad Haidous, MDMishawaka, IN 465451245849892
- Joseph Pulvirenti, MDMishawaka, IN 465451427044775
Common questions
What is Chiedu Charles Onunkwo, M.D.'s NPI number?
Chiedu Charles Onunkwo, M.D.'s National Provider Identifier (NPI) is 1992752018, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chiedu Charles Onunkwo, M.D. located?
The NPPES record lists a practice address at 621 Memorial Dr Ste 624, South Bend, IN, 46601. Phone: (574) 647-8177. Providers update this record themselves, so call before visiting.
How can I verify Chiedu Charles Onunkwo, M.D.'s license?
NPPES lists Indiana license number 01060521A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chiedu Charles Onunkwo, M.D. prescribe under Medicare Part D?
In 2024, Chiedu Charles Onunkwo, M.D. had 336 Medicare Part D claims for 63 beneficiaries; the average among infectious disease physician prescribers was 689. 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.