Doctor profile · Federal record

Dr. Ogbonnaya Aneziokoro, MD

Nephrology Physician (CMS: Nephrology) · Chicago, IL

  • NPI 1104831668
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2222 W Division St Ste 210
Chicago, IL 606223094
(773) 227-2004
fax (773) 227-2006

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 7, 2026
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Illinois #036102972
Medicaid
IL #036102972

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104831668. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,908
Distinct HCPCS
10
Medicare allowed
$675,536
HCPCS Description Services Patients Avg allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 1,035 146 $372
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 600 175 $127
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 320 107 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 290 136 $114
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 209 97 $309
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 121 102 $185
90962 Dialysis services, 1 physician visit per month (20 years or older) 93 40 $213
99291 Critical care, first 30-74 minutes 80 54 $230
90935 Hemodialysis procedure with physician evaluation 57 22 $76
90966 Home dialysis services per month (20 years or older) 53 13 $309

In context: peer comparison

Among 62 peers in Chicago Nephrology Physician, average services per provider: 104. This provider delivers 28× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$253
Transactions
10
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Fresenius USA Marketing, INC. 8 $189.67
Aurinia Pharma U.S., INC. 1 $33.76
Travere Therapeutics, INC. 1 $29.12

By nature of payment

Food and Beverage
$253

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,355
Patients
433
Total drug cost
$324,795
Drug Type Claims Patients Total cost
Carvedilol Generic 175 68 $2,205
Sevelamer Carbonate Generic 168 59 $66,248
Furosemide Generic 109 38 $860
Losartan Potassium Generic 108 39 $1,199
Prosol (Parenteral Amino Acid 20% No.1) Brand 106 0 $11,249
Calcium Acetate Generic 92 31 $12,611
Atorvastatin Calcium Generic 91 27 $1,642
Amlodipine Besylate Generic 85 30 $646
Calcitriol Generic 78 18 $1,179
Nifedipine ER (Nifedipine) Brand 77 30 $4,101

Frequently asked questions

Auto-generated from federal data
What is Dr. Ogbonnaya Aneziokoro's medical specialty?
Dr. Ogbonnaya Aneziokoro practices Nephrology Physician in Chicago, IL.
Where does Dr. Ogbonnaya Aneziokoro practice?
Dr. Ogbonnaya Aneziokoro practices at 2222 W Division St Ste 210, Chicago, IL 606223094. Office phone: 7732272004.
What is Dr. Ogbonnaya Aneziokoro's NPI?
Dr. Ogbonnaya Aneziokoro's National Provider Identifier (NPI) is 1104831668, issued by NPPES.
Does Dr. Ogbonnaya Aneziokoro accept Medicare assignment?
Yes. Dr. Ogbonnaya Aneziokoro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ogbonnaya Aneziokoro commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.