Quick answers
- Does Emmanuel N. Njoku accept Medicare assignment?
- Yes. Medicare's clinician data says Emmanuel N. Njoku 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 Emmanuel N. Njoku see?
- In 2024, CMS data shows 671 Original Medicare patients and 2,047 services for Emmanuel N. Njoku. This counts Original Medicare only and measures volume, not quality.
- What is Emmanuel N. Njoku's NPI number?
- 1689981045. 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 Emmanuel N. Njoku, 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 | 671 |
|---|---|
| Services billed to Medicare | 2,047 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,535 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)259 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)61 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)58 services
- Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)53 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%
- Arthritis65%
- Chronic kidney disease59%
- Diabetes58%
- Heart failure55%
Hospitals where Emmanuel N. Njoku works
Medicare's Facility Affiliation Data lists Emmanuel N. Njoku 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 Illinois Masonic Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140182
Practice locations
Addresses where Emmanuel N. Njoku is enrolled with Medicare (CMS data updated October 2, 2026).
- 1870 W Winchester Rd, Suite 247Libertyville, IL 60048 (847) 672‑4940
- 2520 Elisha AveZion, IL 60099 (847) 872‑4561
- 801 S Milwaukee, Advocate Condell Medical CenterLibertyville, IL 60048 (847) 632‑2900
Group practices
Medicare enrollment lists Emmanuel N. Njoku as a member of these groups (CMS data updated October 2, 2026).
- City of Hope Medical Group of Illinois PLLC129 clinicians in the group
- Infectious Disease Consultants of Northern Illinois SC4 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in City of Hope Medical Group of Illinois PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689981045 |
| 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