Quick answers
- Does Besma N. Jaber accept Medicare assignment?
- Yes. Medicare's clinician data says Besma N. Jaber 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 Besma N. Jaber see?
- In 2024, CMS data shows 100 Original Medicare patients and 165 services for Besma N. Jaber. This counts Original Medicare only and measures volume, not quality.
- What is Besma N. Jaber's NPI number?
- 1588050041. 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 Besma N. Jaber, 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 | 100 |
|---|---|
| Services billed to Medicare | 165 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Critical care, first 30-74 minutes (99291)119 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%
- Chronic kidney disease68%
- Heart failure62%
- Arthritis57%
- Ischemic heart disease55%
Hospitals where Besma N. Jaber works
Medicare's Facility Affiliation Data lists Besma N. Jaber 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 Sherman HospitalElgin, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140030
Practice locations
Addresses where Besma N. Jaber is enrolled with Medicare (CMS data updated October 2, 2026).
- 3815 Highland Ave, Suite AipDowners Grove, IL 60515 (630) 275‑5900
- 450 W Hwy 22Barrington, IL 60010
Group practices
Medicare enrollment lists Besma N. Jaber as a member of this group (CMS data updated October 2, 2026).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in Illinois →
Other critical care doctors in Downers Grove
Clinicians with the same Medicare primary specialty in Downers Grove, IL — not a recommendation.
Other clinicians in Advocate Health and Hospitals Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588050041 |
| 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