Doctor profile · Federal record

Dr. Ijeoma Onyeyirim, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Mattoon, IL

  • NPI 1891359865
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Health Center Dr
Mattoon, IL 619389261
(217) 258-2440
fax (217) 258-2186
Mailing address
1005 Health Center Dr Ste 201
Mattoon, IL 619384693

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
June 5, 2019
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Illinois #209.019356

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891359865. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
176
Distinct HCPCS
7
Medicare allowed
$15,734
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 65 65 $76
00813 Anesthesia for procedure on small and large bowel using an endoscope 25 25 $87
00811 Anesthesia for other procedure on large bowel using an endoscope 24 24 $70
00732 Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope 19 17 $110
00812 Anesthesia for exam of colon using an endoscope 15 15 $57
00520 Anesthesia for other closed procedure on chest 14 14 $127
01402 Anesthesia for procedure for total knee joint replacement 14 14 $161

In context: peer comparison

Among 11 peers in Mattoon Certified Registered Nurse Anesthetist, average services per provider: 24. This provider delivers 7.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$45
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 2 $44.85

By nature of payment

Food and Beverage
$45

Frequently asked questions

Auto-generated from federal data
What is Dr. Ijeoma Onyeyirim's medical specialty?
Dr. Ijeoma Onyeyirim practices Certified Registered Nurse Anesthetist in Mattoon, IL.
Where does Dr. Ijeoma Onyeyirim practice?
Dr. Ijeoma Onyeyirim practices at 1000 Health Center Dr, Mattoon, IL 619389261. Office phone: 2172582440.
What is Dr. Ijeoma Onyeyirim's NPI?
Dr. Ijeoma Onyeyirim's National Provider Identifier (NPI) is 1891359865, issued by NPPES.
Does Dr. Ijeoma Onyeyirim accept Medicare assignment?
Yes. Dr. Ijeoma Onyeyirim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ijeoma Onyeyirim commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.