Doctor profile · Federal record

Dr. Chiedu Onunkwo, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · South Bend, IN

  • NPI 1992752018
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
621 Memorial Dr Ste 624
South Bend, IN 466011063
(574) 647-8177
fax (574) 647-8536
Additional location
500 Arcade Ave Ste 210
Elkhart, IN 465142485
(574) 389-5656
Additional location
5314 Lincolnway E
Mishawaka, IN 465444249
(574) 256-9032
fax (574) 256-9049
Mailing address
710 N Niles Ave
South Bend, IN 466171924

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
January 4, 2023
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Indiana #01060521A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992752018. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
540
Distinct HCPCS
6
Medicare allowed
$57,054
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 198 90 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 112 40 $111
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 106 92 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 74 70 $161
99214 Established patient office or other outpatient visit, 30-39 minutes 32 26 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 18 16 $84

In context: peer comparison

Among 1 peers in South Bend Infectious Disease Physician, average services per provider: 90. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$85
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 3 $85.37

By nature of payment

Food and Beverage
$85

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
245
Patients
0
Total drug cost
$162,426
Drug Type Claims Patients Total cost
Fluconazole Generic 25 0 $1,655
Cefazolin Sodium Generic 24 0 $2,051
Meropenem Generic 24 0 $11,814
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 23 0 $91,233
Ertapenem (Ertapenem Sodium) Brand 23 0 $15,993
Piperacillin-Tazobactam (Piperacillin Sodium/Tazobactam) Brand 22 0 $5,387
Rifampin Generic 22 0 $2,041
Ceftriaxone (Ceftriaxone Sodium) Brand 21 0 $2,098
Doxycycline Hyclate Generic 20 0 $825
Daptomycin Generic 16 0 $27,044

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chiedu Onunkwo's medical specialty?
Dr. Chiedu Onunkwo practices Infectious Disease Physician in South Bend, IN.
Where does Dr. Chiedu Onunkwo practice?
Dr. Chiedu Onunkwo practices at 621 Memorial Dr Ste 624, South Bend, IN 466011063. Office phone: 5746478177.
What is Dr. Chiedu Onunkwo's NPI?
Dr. Chiedu Onunkwo's National Provider Identifier (NPI) is 1992752018, issued by NPPES.
Does Dr. Chiedu Onunkwo accept Medicare assignment?
Yes. Dr. Chiedu Onunkwo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chiedu Onunkwo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.