Quick answers
- Does Shannon D. Rosenbrock accept Medicare assignment?
- Yes. Medicare's clinician data says Shannon D. Rosenbrock 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 Shannon D. Rosenbrock see?
- In 2024, CMS data shows 88 Original Medicare patients and 141 services for Shannon D. Rosenbrock. This counts Original Medicare only and measures volume, not quality.
- What is Shannon D. Rosenbrock's NPI number?
- 1427627132. 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 Shannon D. Rosenbrock, 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 | 88 |
|---|---|
| Services billed to Medicare | 141 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)20 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)18 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)14 services
- Harvest of vein using an endoscope (33508)12 services
- Coronary artery bypass using artery graft, 1 graft (33533)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%
- Ischemic heart disease75%
- Heart failure75%
- Atrial fibrillation63%
- Chronic kidney disease53%
Hospitals where Shannon D. Rosenbrock works
Medicare's Facility Affiliation Data lists Shannon D. Rosenbrock 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 Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140208
- Riverside Medical CenterKankakee, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140186
- Silver Cross Hospital and Medical CentersNew Lenox, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140213
Practice locations
Addresses where Shannon D. Rosenbrock is enrolled with Medicare (CMS data updated October 2, 2026).
- 4440 W 95th StOak Lawn, IL 60453 (708) 684‑8000
- 890 Garfield Ave, Suite 101Libertyville, IL 60048 (847) 990‑5636
Group practices
Medicare enrollment lists Shannon D. Rosenbrock as a member of this group (CMS data updated October 2, 2026).
- Cardiothoracic and Vascular Surgical Associates S C48 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Oak Lawn
Clinicians with the same Medicare primary specialty in Oak Lawn, IL — not a recommendation.
Other clinicians in Cardiothoracic and Vascular Surgical Associates S C
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427627132 |
| 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