Quick answers
- Does Maria A. Stumo accept Medicare assignment?
- Yes. Medicare's clinician data says Maria A. Stumo 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 Maria A. Stumo see?
- In 2024, CMS data shows 130 Original Medicare patients and 518 services for Maria A. Stumo. This counts Original Medicare only and measures volume, not quality.
- What is Maria A. Stumo's NPI number?
- 1326065350. 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 Maria A. Stumo, 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 | 130 |
|---|---|
| Services billed to Medicare | 518 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)173 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)172 services
- Blood test, basic group of blood chemicals (calcium, total) (80048)49 services
- Insertion of needle into vein for collection of blood sample (36415)25 services
- Hospital discharge day management, 30 minutes or less (99238)18 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%
- Atrial fibrillation73%
- Ischemic heart disease60%
- Heart failure58%
- Chronic kidney disease43%
Hospitals where Maria A. Stumo works
Medicare's Facility Affiliation Data lists Maria A. Stumo 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.
- Ascension Calumet HospitalChilton, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521317
- Ascension NE Wisconsin - St Elizabeth CampusAppleton, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520009
- Thedacare Medical Center-WaupacaWaupaca, WI · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 521334
- Thedacare Regional Medical Center - Appleton IncAppleton, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520160
- Thedacare Regional Medical Center - NeenahNeenah, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520045
Practice locations
Addresses where Maria A. Stumo is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1160 Service RdKiel, WI 53042 (920) 894‑3322
- 1420 Algoma StNew London, WI 54961 (920) 982‑8300
- 1501 S Madison StAppleton, WI 54915 (920) 738‑2000
- 1506 S Oneida StAppleton, WI 54915 (920) 738‑2000
- 2700 W 9th AveOshkosh, WI 54904
Group practices
Medicare enrollment lists Maria A. Stumo as a member of this group (CMS data updated October 2, 2026).
- Ascension Medical Group-Fox Valley Wisconsin, Inc259 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Other clinicians in Ascension Medical Group-Fox Valley Wisconsin, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326065350 |
| 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