Doctor profile · Federal record

Dr. OLADELE AJAO, MD

Internal Medicine Physician (CMS: INTERNAL MEDICINE) · Infectious Disease Physician · GRANITE CITY, IL

  • NPI 1700829025
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2100 MADISON AVE
GRANITE CITY, IL 620404701
(618) 452-3301
fax (618) 452-3312

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 26, 2021
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036108133
Medicaid
IL #036108133

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700829025. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$69
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 1 $21.60
ABBVIE INC. 1 $19.61
PFIZER INC. 1 $14.83
ViiV Healthcare Company 1 $13.20

By nature of payment

Food and Beverage
$69

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,239
Patients
599
Total drug cost
$166,878
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 371 97 $6,668
Amlodipine Besylate Generic 248 60 $2,410
Losartan Potassium Generic 190 56 $2,884
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 187 50 $4,321
Metformin Hcl Generic 173 48 $2,084
Hydrochlorothiazide Generic 160 37 $783
Rosuvastatin Calcium Generic 155 52 $4,210
Omeprazole Generic 111 23 $1,990
Gabapentin Generic 110 22 $2,818
Jardiance (Empagliflozin) Brand 101 26 $133,383

Hospital affiliations

CMS Hospital Compare