Quick answers
- Does Marlise Davidson-Fiedler accept Medicare assignment?
- Yes. Medicare's clinician data says Marlise Davidson-Fiedler 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 Marlise Davidson-Fiedler see?
- In 2024, CMS data shows 209 Original Medicare patients and 375 services for Marlise Davidson-Fiedler. This counts Original Medicare only and measures volume, not quality.
- What is Marlise Davidson-Fiedler's NPI number?
- 1528590908. 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 Marlise Davidson-Fiedler, 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 | 209 |
|---|---|
| Services billed to Medicare | 375 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)103 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)101 services
- Hospital discharge day management, more than 30 minutes (99239)59 services
- Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)31 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)29 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%
- Heart failure45%
- Depression44%
- Anxiety44%
- Diabetes42%
Hospitals where Marlise Davidson-Fiedler works
Medicare's Facility Affiliation Data lists Marlise Davidson-Fiedler 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.
- Freestone Medical CenterFairfield, TX · Acute Care Hospital · Emergency services: listed by Medicare · CCN 450658
- Frio Regional HospitalPearsall, TX · Critical Access Hospital · Emergency services: listed by Medicare · CCN 451391
- Mercy Health System CorpJanesville, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520066
- Morton County HospitalElkhart, KS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 171386
- Stoughton HospitalStoughton, WI · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 521343
Practice locations
Addresses where Marlise Davidson-Fiedler is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 125 Newman StFairfield, TX 75840 (888) 250‑2326
- 323 W Walnut AveBastrop, LA 71220 (318) 283‑3600
- 3524 E Milwaukee StJanesville, WI 53546 (608) 756‑7100
- 445 Hilltop AveElkhart, KS 67950 (620) 697‑2141
- 849 Kellogg AveJanesville, WI 53546 (608) 755‑7960
Group practices
Medicare enrollment lists Marlise Davidson-Fiedler as a member of these groups (CMS data updated October 2, 2026).
- Mercy Health System Corporation753 clinicians in the group
- Stoughton Hospital Association66 clinicians in the group
- Morehouse General Hospital35 clinicians in the group
- Beam Healthcare, SC16 clinicians in the group
- Morton County Hospital15 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Fairfield
Clinicians with the same Medicare primary specialty in Fairfield, TX — not a recommendation.
Other clinicians in Mercy Health System Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2016 (10 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1528590908 |
| 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