Quick answers
- Does Blaise R. Waller accept Medicare assignment?
- Yes. Medicare's clinician data says Blaise R. Waller 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.
- What is Blaise R. Waller's NPI number?
- 1225607500. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Blaise R. Waller works
Medicare's Facility Affiliation Data lists Blaise R. Waller 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.
- Mahaska Health PartnershipOskaloosa, IA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 161379
Practice locations
Addresses where Blaise R. Waller is enrolled with Medicare (CMS data updated October 2, 2026).
- 201 Trueblood AveOskaloosa, IA 52577 (641) 676‑7361
Group practices
Medicare enrollment lists Blaise R. Waller as a member of this group (CMS data updated October 2, 2026).
- Mahaska County Hospital128 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Oskaloosa
Clinicians with the same Medicare primary specialty in Oskaloosa, IA — not a recommendation.
Other clinicians in Mahaska County Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2021 (5 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225607500 |
| 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
- 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