Chiedu Onunkwo, M.D.
NPI 1992752018 · Infectious Disease Physician · South Bend, IN
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chiedu Onunkwo, M.D. is a Infectious Disease Physician provider in South Bend, IN (NPI 1992752018).
Provider details
- NPI number
- 1992752018
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01060521A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
579 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 284 | $72 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 148 | $119 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 51 | $158 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $119 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 40 | $110 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Cefazolin Sodium | 53 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 38 |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 28 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 24 |
| Daptomycin | 22 |
| Fluconazole | 22 |
| Rifampin | 22 |
| Doxycycline Hyclate | 19 |
| Ertapenem Sodiumbrand: Ertapenem | 15 |
| Meropenem | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$85 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 500 Arcade Ave Ste 210Elkhart, IN 46514-2485Phone: (574) 389-5656
- 5314 Lincolnway EMishawaka, IN 46544-4249Phone: (574) 256-9032Fax: (574) 256-9049
Registry dates
- Enumerated
- 2006-05-27
- Last updated
- 2023-01-04
- Certified
- 2023-01-04
Frequently asked questions
- What is Chiedu Onunkwo's NPI number?
- Chiedu Onunkwo's National Provider Identifier (NPI) is 1992752018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chiedu Onunkwo's specialty?
- Chiedu Onunkwo is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Chiedu Onunkwo located?
- Chiedu Onunkwo's practice location on file with NPPES is 621 Memorial Dr Ste 624, South Bend, IN 46601-1063.
- What is Chiedu Onunkwo's phone number?
- The practice phone number listed in the NPPES registry for Chiedu Onunkwo is (574) 647-8177.
- Does Chiedu Onunkwo accept Medicare?
- Chiedu Onunkwo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chiedu Onunkwo's NPI active?
- Yes — Chiedu Onunkwo's NPI (1992752018) is active in the NPPES registry as of the last update on 2023-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.