Quick answers
- Does Shanna J. Dierker accept Medicare assignment?
- Yes. Medicare's clinician data says Shanna J. Dierker 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 Shanna J. Dierker see?
- In 2024, CMS data shows 49 Original Medicare patients and 61 services for Shanna J. Dierker. This counts Original Medicare only and measures volume, not quality.
- What is Shanna J. Dierker's NPI number?
- 1558728337. 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 Shanna J. Dierker, 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 | 49 |
|---|---|
| Services billed to Medicare | 61 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)32 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 cholesterol73%
- Arthritis71%
- High blood pressure67%
- Diabetes35%
- Chronic kidney disease27%
- Ischemic heart disease24%
Hospitals where Shanna J. Dierker works
Medicare's Facility Affiliation Data lists Shanna J. Dierker 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.
- Blessing HospitalQuincy, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140015
Practice locations
Addresses where Shanna J. Dierker is enrolled with Medicare (CMS data updated October 2, 2026).
- 3925 N Gateway DrAppleton, WI 54913 (920) 454‑8401
- 927 Broadway StQuincy, IL 62301 (217) 224‑6423
Group practices
Medicare enrollment lists Shanna J. Dierker as a member of these groups (CMS data updated October 2, 2026).
- Thedacare, Incorporated647 clinicians in the group
- Blessing Hospital421 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Appleton
Clinicians with the same Medicare primary specialty in Appleton, WI — not a recommendation.
Other clinicians in Thedacare, Incorporated
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558728337 |
| 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