Doctor profile · Federal record

Dr. Chimuanya Okoli, MD

Sleep Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Internal Medicine Physician · Chicago, IL

  • NPI 1003444779
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
836 W Wellington Ave
Chicago, IL 606575147
(773) 296-5424
Additional location
104 Liner Dr
Greenwood, SC 296462310
(864) 227-1115

Credentials & registration

NPPES · NUCC
NPI registered
March 2020 — 6 yrs on file
Profile last updated
August 12, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RS0012X — NUCC code
State licenses (2)
South Carolina #94081 · Illinois #125.076689

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003444779. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,231
Transactions
4
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Inspire Medical Systems, INC. 4 $1,230.59

By nature of payment

Food and Beverage
$671
Travel and Lodging
$560

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
30
Patients
0
Total drug cost
$749
Drug Type Claims Patients Total cost
Gabapentin Generic 17 0 $516
Atorvastatin Calcium Generic 13 0 $233

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chimuanya Okoli's medical specialty?
Dr. Chimuanya Okoli practices Sleep Medicine (Internal Medicine) Physician in Chicago, IL.
Where does Dr. Chimuanya Okoli practice?
Dr. Chimuanya Okoli practices at 836 W Wellington Ave, Chicago, IL 606575147. Office phone: 7732965424.
What is Dr. Chimuanya Okoli's NPI?
Dr. Chimuanya Okoli's National Provider Identifier (NPI) is 1003444779, issued by NPPES.
Does Dr. Chimuanya Okoli accept Medicare assignment?
Yes. Dr. Chimuanya Okoli accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.