Kreegan Reierson, M.D.
NPI 1457490500 · Hospitalist Physician · Stillwater, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kreegan Reierson, M.D. is a Hospitalist Physician provider in Stillwater, MN (NPI 1457490500).
Provider details
- NPI number
- 1457490500
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 49356 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
205 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 64 | $110 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 61 | $106 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 50 | $73 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 30 | $161 |
Typical Medicare-allowed amounts for these services range $73–$161 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 37 | — |
| Donepezil Hcl | 24 | — |
| Sertraline Hcl | 23 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 23 | 12 |
| Oxycodone Hcl | 18 | 15 |
| Losartan Potassium | 14 | — |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-05
- Last updated
- 2018-12-18
Frequently asked questions
- What is Kreegan Reierson's NPI number?
- Kreegan Reierson's National Provider Identifier (NPI) is 1457490500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kreegan Reierson's specialty?
- Kreegan Reierson is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Kreegan Reierson located?
- Kreegan Reierson's practice location on file with NPPES is 927 Churchill St W, Stillwater, MN 55082-6605.
- What is Kreegan Reierson's phone number?
- The practice phone number listed in the NPPES registry for Kreegan Reierson is (651) 439-5330.
- Does Kreegan Reierson accept Medicare?
- Kreegan Reierson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kreegan Reierson's NPI active?
- Yes — Kreegan Reierson's NPI (1457490500) is active in the NPPES registry as of the last update on 2018-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.