Quick answers
- Does Dioma Udeoji accept Medicare assignment?
- Yes. Medicare's clinician data says Dioma Udeoji accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Dioma Udeoji see?
- In 2024, CMS data shows 515 Original Medicare patients and 1,777 services for Dioma Udeoji. This counts Original Medicare only and measures volume, not quality.
- What is Dioma Udeoji's NPI number?
- 1518393388. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Dioma Udeoji, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 515 |
|---|---|
| Services billed to Medicare | 1,777 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,322 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)222 services
- Hospital discharge day management, more than 30 minutes (99239)200 services
- Hospital discharge day management, 30 minutes or less (99238)25 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Heart failure57%
- Diabetes52%
- Ischemic heart disease51%
Hospitals where Dioma Udeoji works
Medicare's Facility Affiliation Data lists Dioma Udeoji at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Advocate Condell Medical CenterLibertyville, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140202
- Advocate Lutheran General HospitalPark Ridge, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140223
- Northwest Community Hospital 1Arlington Heights, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140252
Practice locations
Addresses where Dioma Udeoji is enrolled with Medicare (CMS data updated October 2, 2026).
- 1775 W Dempster StPark Ridge, IL 60068 (847) 723‑5095
- 450 W Hwy 22Barrington, IL 60010 (847) 381‑9600
- 800 W Central RdArlington Heights, IL 60005 (847) 618‑1000
- 801 S Milwaukee AveLibertyville, IL 60048 (847) 362‑2900
Group practices
Medicare enrollment lists Dioma Udeoji as a member of this group (CMS data updated October 2, 2026).
- Best Practices Inpatient Care, Ltd.82 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Park Ridge
Clinicians with the same Medicare primary specialty in Park Ridge, IL — not a recommendation.
Other clinicians in Best Practices Inpatient Care, Ltd.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518393388 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians