Dr. Oladele O. Ajao, MD
- Medicare services, 2019
- 14
- Part D claims, 2024
- 6,265
- Hospital affiliations
- 2
- Industry payments
- $961
- Medical group
- 1
- Practice address
- 2166 Madison Ave, Granite City, IL 62040
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
McKinley Health Enter - HOPD
Acute Care Hospital outpatient department · Granite City, Illinois
Find Dr. Ajao's professional email, personal email and mobile number
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Dr. Oladele O. Ajao is an internist in Granite City, Illinois
Dr. Ajao practices at McKinley Health Enter - HOPD in Granite City, Illinois.
Dr. Ajao's NPI, 1700829025, was assigned on June 14, 2006. Dr. Ajao holds Illinois license 036108133.
- NPI
- 1700829025NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002713229
- NPI enumeration date
- June 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Oladele O. Ajao practices at McKinley Health Enter - HOPD in Granite City, Illinois
Dr. Ajao's primary practice is McKinley Health Enter - HOPD, at 2166 Madison Ave, Granite City, IL 62040.
- McKinley Health Enter - HOPD2166 Madison Ave, Granite City, IL 62040
Source: Dmand AI Affiliation Data
Dr. Oladele O. Ajao is affiliated with 4 sites of care and 1 medical group
Dr. Ajao's primary practice is McKinley Health Enter - HOPD in Granite City, Illinois. Dr. Ajao is also affiliated with Gateway Regional Medical Center. The medical group on file is SIHF Healthcare. Dmand AI also links Dr. Ajao to 1 more hospital and 1 community health center, each named with a free account. Dr. Ajao's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Oladele O. Ajao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ajao practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| McKinley Health Enter - HOPD | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Oladele O. Ajao is one of 5,652 internists in Illinois
Internal medicine is Dr. Ajao's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ajao is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Ajao
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Oladele O. Ajao billed Medicare for 14 services in 2019
CMS data shows 14 Medicare services from Dr. Ajao across 1 procedure code in 2019. Medicare paid $148 for them. Every service was in an office.
Dr. Ajao compared with the Illinois median for internists, 2019
- Dr. Ajao
- Illinois median
- Medicare services
- 14vs 56698% below
- Part D claims
- 5,697vs 28420.1 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Ajao's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ajao?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ajao and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Oladele O. Ajao's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Ajao's median patient age at 63, with 53% women.
Dr. Ajao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Oladele O. Ajao wrote 6,265 Medicare Part D claims in 2024
In 2024, Dr. Ajao wrote 6,265 Medicare Part D claims for 390 patients. 77% of them were for generic drugs. CMS names the drug for 5,697 of them, across 111 drugs with 11 or more claims each, at $1,487,772 in total drug cost. In 2023, CMS named 4,832 claims across 105 drugs.
Dr. Ajao's Part D claims by kind of drug, 2024
- Generic4,852 claims77%
- Brand-name1,313 claims21%
- Other100 claims2%
Dr. Ajao's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ajao's Part D claims, 2024
- Opioids2%140 of 6,265 claims
- Antibiotics2%123 of 6,265 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,8322024: 5,69718%
Drugs named by CMS: 111 in 2024, 105 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Oladele O. Ajao takes part in Medicare
Dr. Ajao accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Oladele O. Ajao received $961 in industry payments from 2016 to 2025
CMS Open Payments shows 47 general payments to Dr. Ajao from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 72% of the total. Janssen Pharmaceuticals, Inc paid the most, $399.
General payments to Dr. Ajao by program year, 2016 to 2025
General payments to Dr. Ajao by kind, 2016 to 2025
- Food and beverage$69272%
- Education$26928%
Companies that paid Dr. Ajao the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Oladele O. Ajao's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Oladele O. Ajao
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Oladele O. Ajao's NPI number?
Dr. Oladele O. Ajao's NPI number is 1700829025. It was assigned on June 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Oladele O. Ajao?
Dr. Oladele O. Ajao is an internist in Granite City, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Oladele O. Ajao practice?
Dr. Ajao practices at 2166 Madison Ave, Granite City, IL 62040. Dr. Ajao's primary practice is McKinley Health Enter - HOPD in Granite City, Illinois. Dmand AI also links Dr. Ajao to 1 hospital and 1 community health center.
What is Dr. Oladele O. Ajao's medical license number?
Dr. Ajao holds Illinois license 036108133.
Which hospitals is Dr. Oladele O. Ajao affiliated with?
Dr. Ajao is affiliated with Gateway Regional Medical Center. Dmand AI links Dr. Ajao to 1 more hospital.
What medical group is Dr. Oladele O. Ajao part of?
Dr. Ajao is linked to SIHF Healthcare.
Does Dr. Oladele O. Ajao accept Medicare?
Yes. CMS data shows Dr. Ajao billed Medicare for 14 services in 2019, and Dr. Ajao accepts Medicare assignment.
What services does Dr. Oladele O. Ajao bill to Medicare?
In 2019, Dr. Ajao's most billed Medicare services were lab and pathology test (83036).
What drugs does Dr. Oladele O. Ajao prescribe most?
In 2024 Medicare Part D data, Dr. Ajao's most prescribed drugs by claims were Atorvastatin Calcium, Albuterol Sulfate Hfa and Amlodipine Besylate.
Has Dr. Oladele O. Ajao received payments from drug or device companies?
CMS Open Payments shows $961 in general payments to Dr. Ajao from 16 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Oladele O. Ajao been practicing?
Dr. Ajao graduated from medical school in 1992, 34 years ago.
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