Kreegan John Reierson, M.D.
Hospitalist Physician · Stillwater, MN
Kreegan John Reierson, M.D. is a hospitalist physician with a practice address in Stillwater, Minnesota, and NPI 1457490500, issued on Feb 5, 2007. Check the license (Minnesota 49356, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Kreegan John Reierson
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 49356 MN
Self-reported in NPPES; status is on the state search - Practice location
- 927 Churchill St W, Stillwater, MN 55082
- Phone
- (651) 439-5330
- Enumerated
- Feb 5, 2007
- Record last updated
- Dec 18, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (651) 430-4528
- Medicare enrollment
- Enrolled (PECOS I20070409000463); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 401 in Minnesota → Look up another NPI →
Also registered at 927 Churchill St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Boklewski, M.D.Emergency Medicine Physician1598084956
- Peter Boosalis, MDAnesthesiology Physician1174577316
- Patrick Brod, MDFamily Medicine Physician1942209911
Verify Kreegan John Reierson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 49356Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average hospitalist physician in 2024
465 Medicare Part D claims for 132 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Lisinopril37 claims
- Donepezil Hcl24 claims
- Amoxicillin-Clavulanate Potass23 claims
- Sertraline Hcl23 claims
- Oxycodone Hcl18 claims
- Losartan Potassium14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
7 hospitals and group practices
- Hutchinson HealthHutchinson, MN · Acute Care Hospitals3 of 5 stars
- Amery Regional Medical Center IncAmery, WI
- Group Health Plan IncSaint Paul, MN
- Healthpartners RCOlivia, MN
- Hudson Hospital IncHudson, WI
- St. Croix Regional Medical CenterSaint Croix Falls, WI
- Westfields Hospital IncNew Richmond, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Kreegan John Reierson among 401 hospitalist physician records in Minnesota
Kreegan John Reierson, M.D. is one of 401 hospitalist physician records with a practice address in Minnesota. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 22% of them.
- NPI issued2007 · 22% of these records are older, 72% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 88% of these records are
- Graduated2003 · median 2011 among the 354 with a school on file
- Record last updated2018 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Minnesota
There are 401 hospitalist physician records in Minnesota.
All 401 in Minnesota → Every provider in Stillwater → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Thomas Anderson, MDStillwater, MN 550821326011743
- Elizabeth Cabrera, D.O.Wyoming, MN 550921437477981
- Margaret Daramola, D.O.Wyoming, MN 550921114126117
- Paula Abramovith Feijo, MDRed Wing, MN 550661386653384
- Spencer Bonnerup, MDRed Wing, MN 550661376129411
- Gayathri Chalikonda, MDRed Wing, MN 550661346877982
- Srivani Neshangi, MDRed Wing, MN 550661205119880
- Santhi Subramaniam, MDRed Wing, MN 550661073588315
Common questions
What is Kreegan John Reierson, M.D.'s NPI number?
Kreegan John Reierson, M.D.'s National Provider Identifier (NPI) is 1457490500, issued on Feb 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kreegan John Reierson, M.D. located?
The NPPES record lists a practice address at 927 Churchill St W, Stillwater, MN, 55082. Phone: (651) 439-5330. Providers update this record themselves, so call before visiting.
How can I verify Kreegan John Reierson, M.D.'s license?
NPPES lists Minnesota license number 49356, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kreegan John Reierson, M.D. prescribe under Medicare Part D?
In 2024, Kreegan John Reierson, M.D. had 465 Medicare Part D claims for 132 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.