Kreegan John Reierson, M.D.
NPI 1457490500ActiveIndividual· Hospitalist· Stillwater, MN
Hospitalist (M.D.) in Stillwater, Minnesota, trained at University of Minnesota Medical School (class of 2003). 133 Medicare patients in 2024, $22,002 paid; nearly all of their 465 Part D prescriptions were generic (92%).
Overview
| NPI | 1457490500 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 5, 2007 |
| Last updated in NPPES | Dec 18, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 49356 | MN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MN); Practitioner - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 133 |
|---|---|
| Services billed | 269 across 20 procedure codes |
| Paid by Medicare | $22,002 |
Part D prescriptions in 2024
| Prescriptions (claims) | 465 · 588 30-day fills |
|---|---|
| Patients | 132 |
| Total drug cost | $22,325 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Group Health IncBloomington, MN · 1,638 clinicians
- Hutchinson HealthHutchinson, MN · 144 clinicians
- St. Croix Regional Medical CenterLindstrom, MN · 131 clinicians
- Amery Regional Medical Center IncAmery, WI · 124 clinicians
- Westfields Hospital IncNew Richmond, WI · 108 clinicians
- Healthpartners RcOlivia, MN · 51 clinicians
- Hudson Hospital IncHudson, WI · 37 clinicians
Hospital affiliations
- Amery Hospital & ClinicAmery, WI
- Hudson HospitalHudson, WI
- Lakeview Memorial HospitalStillwater, MN
- Regions HospitalSaint Paul, MN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hospitalists in Stillwater
- 1326011743