Quick answers
- Does Alexandrea N. Sitter accept Medicare assignment?
- Yes. Medicare's clinician data says Alexandrea N. Sitter 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 Alexandrea N. Sitter see?
- In 2024, CMS data shows 61 Original Medicare patients and 128 services for Alexandrea N. Sitter. This counts Original Medicare only and measures volume, not quality.
- What is Alexandrea N. Sitter's NPI number?
- 1134771355. 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 Alexandrea N. Sitter, 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 | 61 |
|---|---|
| Services billed to Medicare | 128 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment (63047)17 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)14 services
- Placement of stabilizing device to back of 1 spine bone in neck (22840)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 cholesterol75%
- Arthritis75%
- High blood pressure74%
- Ischemic heart disease31%
- Depression31%
- Anxiety31%
Hospitals where Alexandrea N. Sitter works
Medicare's Facility Affiliation Data lists Alexandrea N. Sitter 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.
- Aurora BayCare Medical CenterGreen Bay, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520193
- Aurora Medical Center Bay AreaMarinette, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520113
- Aurora Medical Center Manitowoc CountyTwo Rivers, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520034
- Bellin Memorial HospitalGreen Bay, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520049
Practice locations
Addresses where Alexandrea N. Sitter is enrolled with Medicare (CMS data updated October 2, 2026).
- 2845 Greenbrier RdGreen Bay, WI 54311
- 500 S Oakwood RdOshkosh, WI 54904 (920) 288‑8350
- 719 Doctors CtOshkosh, WI 54901 (920) 235‑6779
Group practices
Medicare enrollment lists Alexandrea N. Sitter as a member of this group (CMS data updated October 2, 2026).
- BayCare Clinic LLP200 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Green Bay
Clinicians with the same Medicare primary specialty in Green Bay, WI — not a recommendation.
Other clinicians in BayCare Clinic LLP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2019 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134771355 |
| 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