Quick answers
- Does Alena D. Ellerbroek accept Medicare assignment?
- Yes. Medicare's clinician data says Alena D. Ellerbroek 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 Alena D. Ellerbroek see?
- In 2024, CMS data shows 1,059 Original Medicare patients and 3,974 services for Alena D. Ellerbroek. This counts Original Medicare only and measures volume, not quality.
- What is Alena D. Ellerbroek's NPI number?
- 1376858654. 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 Alena D. Ellerbroek, 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 | 1,059 |
|---|---|
| Services billed to Medicare | 3,974 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)1,175 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)941 services
- Destruction of precancer skin growth, 1 growth (17000)502 services
- Biopsy of related skin growth, first growth (11102)292 services
- Destruction of skin growth, 1-14 growths (17110)254 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 cholesterol74%
- High blood pressure67%
- Arthritis40%
- Ischemic heart disease21%
- Osteoporosis21%
- Diabetes20%
Hospitals where Alena D. Ellerbroek works
Medicare's Facility Affiliation Data lists Alena D. Ellerbroek 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.
- Allen HospitalWaterloo, IA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 160110
- MercyOne Waterloo Medical CenterWaterloo, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160067
- Sartori Memorial Hospital, IncCedar Falls, IA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 160040
- Waverly Health CenterWaverly, IA · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 161339
Practice locations
Addresses where Alena D. Ellerbroek is enrolled with Medicare (CMS data updated October 2, 2026).
- 312 9th St SW, 2000 Dermatology ClinicWaverly, IA 50677 (319) 234‑6000
- 441 E San Marnan Dr, Suite 110Waterloo, IA 50702 (319) 234‑6000
Group practices
Medicare enrollment lists Alena D. Ellerbroek as a member of this group (CMS data updated October 2, 2026).
- Premier Dermatology Ltd3 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Waverly
Clinicians with the same Medicare primary specialty in Waverly, IA — not a recommendation.
Other clinicians in Premier Dermatology Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376858654 |
| 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