Olumuyiwa Idowu, M.D.
Internal Medicine Physician · Chicago, IL
Olumuyiwa Idowu, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1538254511, issued on Oct 4, 2006. Check the license (Illinois 036-098784, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Olumuyiwa Idowu
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-098784 IL
Self-reported in NPPES; status is on the state search - Practice location
- 840 W Irving Park RD, Chicago, IL 60613
- Phone
- (773) 871-5150
- Enumerated
- Oct 4, 2006
- Record last updated
- Dec 22, 2023
- Medicaid ID
- 036098784 IL
- Medicare enrollment
- Enrolled (PECOS I20040325000595); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 840 W Irving Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Olumuyiwa Idowu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-098784Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,158 Medicare Part D claims for 314 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 111 claims were for opioids.
Most prescribed
- Atorvastatin Calcium763 claims
- Amlodipine Besylate340 claims
- Gabapentin279 claims
- Losartan Potassium270 claims
- Eliquis248 claims
- Metformin Hcl232 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,710.52
20 payments; by number, the most common kind was food and beverage; the largest payer was Globus Medical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
3 hospitals and group practices
- Resilience Healthcare - Lakefront Medical Associates LLCOak Park, IL
- Southern California Permanente Medical GroupWoodland Hills, CA
- Thorek Memorial HospitalChicago, IL · Acute Care Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Olumuyiwa Idowu among 7,238 internal medicine physician records in Illinois
Olumuyiwa Idowu, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1989 · median 2003 among the 3,580 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Blatt, M.D.Chicago, IL 606131639185150
- Elizabeth Cruz, M.D.Chicago, IL 606131093869141
- William Gerardi, M.D.Chicago, IL 606131003025891
- Tatjana Guzina, MDChicago, IL 606131366581639
- Ronald Hickombottom, M.DChicago, IL 606131023020989
- Helenaida Ortega, MDChicago, IL 606131649324898
- Edward Potash, M.D.Chicago, IL 606131588001168
- Narasimha Saladi, M.DChicago, IL 606131528257045
Common questions
What is Olumuyiwa Idowu, M.D.'s NPI number?
Olumuyiwa Idowu, M.D.'s National Provider Identifier (NPI) is 1538254511, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Olumuyiwa Idowu, M.D. located?
The NPPES record lists a practice address at 840 W Irving Park RD, Chicago, IL, 60613. Phone: (773) 871-5150. Providers update this record themselves, so call before visiting.
How can I verify Olumuyiwa Idowu, M.D.'s license?
NPPES lists Illinois license number 036-098784, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Olumuyiwa Idowu, M.D. prescribe under Medicare Part D?
In 2024, Olumuyiwa Idowu, M.D. had 10,158 Medicare Part D claims for 314 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.