Quick answers
- Does Nicole Ahrens accept Medicare assignment?
- Yes. Medicare's clinician data says Nicole Ahrens 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 Nicole Ahrens see?
- In 2024, CMS data shows 105 Original Medicare patients and 160 services for Nicole Ahrens. This counts Original Medicare only and measures volume, not quality.
- What is Nicole Ahrens's NPI number?
- 1578154340. 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 Nicole Ahrens, 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 | 105 |
|---|---|
| Services billed to Medicare | 160 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Ultrasonic guidance for blood vessel access (76937)23 services
- Insertion of artery tube for blood sampling or infusion through skin (36620)22 services
- Anesthesia for extensive surgery on spine (00670)13 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%
- Arthritis68%
- Ischemic heart disease58%
- Heart failure45%
- Atrial fibrillation42%
Hospitals where Nicole Ahrens works
Medicare's Facility Affiliation Data lists Nicole Ahrens 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.
- Alexian Brothers Medical Center 1Elk Grove Village, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140258
- AMITA Health Resurrection Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140117
- Saint Joseph Hospital-ElginElgin, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140217
- UChicago Medicine AdventHealth HinsdaleHinsdale, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140122
- UChicago Medicine AdventHealth La GrangeLa Grange, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140065
Practice locations
Addresses where Nicole Ahrens is enrolled with Medicare (CMS data updated October 2, 2026).
- 120 N Oak StHinsdale, IL 60521 (630) 856‑9000
- 1423 Chicago RdChicago Heights, IL 60411 (708) 756‑1000
- 5101 Willow Springs RdLa Grange, IL 60525 (708) 352‑1200
- 77 N Airlite StElgin, IL 60123 (847) 695‑3200
Group practices
Medicare enrollment lists Nicole Ahrens as a member of this group (CMS data updated October 2, 2026).
- Northstar Anesthesia of Illinois, LLC409 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Illinois →
Other nurse anesthetists in Hinsdale
Clinicians with the same Medicare primary specialty in Hinsdale, IL — not a recommendation.
Other clinicians in Northstar Anesthesia of Illinois, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Rush Medical College Of Rush University |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578154340 |
| 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