Olumuyiwa Idowu, M.D.
NPI 1538254511 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olumuyiwa Idowu, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1538254511).
Provider details
- NPI number
- 1538254511
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036-098784 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,310 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 309 | $41 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 290 | $81 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 166 | $76 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 161 | $122 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 90 | $83 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 167 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 763 | 119 |
| Amlodipine Besylate | 340 | 51 |
| Gabapentin | 279 | 47 |
| Losartan Potassium | 270 | 40 |
| Apixabanbrand: Eliquis | 248 | 20 |
| Metformin Hcl | 232 | 45 |
| Potassium Chloride |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,711 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-04
- Last updated
- 2023-12-22
- Certified
- 2023-05-09
Frequently asked questions
- What is Olumuyiwa Idowu's NPI number?
- Olumuyiwa Idowu's National Provider Identifier (NPI) is 1538254511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olumuyiwa Idowu's specialty?
- Olumuyiwa Idowu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Olumuyiwa Idowu located?
- Olumuyiwa Idowu's practice location on file with NPPES is 840 W Irving Park Rd, Chicago, IL 60613-3011.
- What is Olumuyiwa Idowu's phone number?
- The practice phone number listed in the NPPES registry for Olumuyiwa Idowu is (773) 871-5150.
- Does Olumuyiwa Idowu accept Medicare?
- Olumuyiwa Idowu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olumuyiwa Idowu's NPI active?
- Yes — Olumuyiwa Idowu's NPI (1538254511) is active in the NPPES registry as of the last update on 2023-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.