Quick answers
- Does Rebecca Koerner accept Medicare assignment?
- Yes. Medicare's clinician data says Rebecca Koerner 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 Rebecca Koerner see?
- In 2024, CMS data shows 364 Original Medicare patients and 418 services for Rebecca Koerner. This counts Original Medicare only and measures volume, not quality.
- What is Rebecca Koerner's NPI number?
- 1144760836. 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 Rebecca Koerner, 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 | 364 |
|---|---|
| Services billed to Medicare | 418 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Emergency department visit with moderate level of medical decision making (99284)224 services
- Emergency department visit with high level of medical decision making (99285)109 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)13 services
- Emergency department visit with low level of medical decision making (99283)12 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%
- Arthritis56%
- Ischemic heart disease46%
- Diabetes38%
- Anxiety38%
Hospitals where Rebecca Koerner works
Medicare's Facility Affiliation Data lists Rebecca Koerner 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.
- Riverside Medical CenterKankakee, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140186
Practice locations
Addresses where Rebecca Koerner is enrolled with Medicare (CMS data updated October 2, 2026).
- 16221 W 159th StLockport, IL 60441 (815) 588‑1111
- 350 N Wall StKankakee, IL 60901 (815) 933‑1671
Group practices
Medicare enrollment lists Rebecca Koerner as a member of these groups (CMS data updated October 2, 2026).
- Riverside Emergency Physicians LLC39 clinicians in the group
- Lockport Express Medical Group Inc6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Lockport
Clinicians with the same Medicare primary specialty in Lockport, IL — not a recommendation.
Other clinicians in Riverside Emergency Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144760836 |
| 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