Quick answers
- Does Kreegan J. Reierson accept Medicare assignment?
- Yes. Medicare's clinician data says Kreegan J. Reierson 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 Kreegan J. Reierson see?
- In 2024, CMS data shows 133 Original Medicare patients and 269 services for Kreegan J. Reierson. This counts Original Medicare only and measures volume, not quality.
- What is Kreegan J. Reierson's NPI number?
- 1457490500. 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 Kreegan J. Reierson, 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 | 133 |
|---|---|
| Services billed to Medicare | 269 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)64 services
- Hospital discharge day management, more than 30 minutes (99239)61 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)50 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)30 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%
- Arthritis50%
- Depression41%
- Ischemic heart disease38%
- Diabetes35%
Hospitals where Kreegan J. Reierson works
Medicare's Facility Affiliation Data lists Kreegan J. Reierson 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.
- Amery Hospital & ClinicAmery, WI · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 521308
- Hudson HospitalHudson, WI · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 521335
- Lakeview Memorial HospitalStillwater, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240066
- Regions HospitalSaint Paul, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240106
Practice locations
Addresses where Kreegan J. Reierson is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 100 Healthy WayOlivia, MN 56277 (320) 523‑1460
- 1029 Hwy 15 SHutchinson, MN 55350 (320) 484‑4400
- 1071 Hwy 15 SHutchinson, MN 55350 (320) 484‑4610
- 235 E State StSaint Croix Falls, WI 54024 (715) 483‑3221
- 265 Griffin St EAmery, WI 54001 (715) 268‑8000
Group practices
Medicare enrollment lists Kreegan J. Reierson as a member of these groups (CMS data updated October 2, 2026).
- Group Health Inc1,638 clinicians in the group
- Hutchinson Health144 clinicians in the group
- St. Croix Regional Medical Center131 clinicians in the group
- Amery Regional Medical Center Inc124 clinicians in the group
- Westfields Hospital Inc108 clinicians in the group
- HealthPartners RC51 clinicians in the group
Specialties
- Internal Medicineprimary
- Pediatric Medicinealso
Other internal medicine doctors in Olivia
Clinicians with the same Medicare primary specialty in Olivia, MN — not a recommendation.
Other clinicians in Group Health Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1457490500 |
| 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