NPIMap

Individual provider Active NPI

Kreegan John Reierson, M.D.

  • Hospitalist Physician
  • Stillwater, MN
National Provider Identifier
1457490500
Registry record updated Dec 18, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
49356 Issued in MN
Practice address
927 Churchill St W
Stillwater, MN 55082-6605
Phone
(651) 439-5330
Fax
(651) 430-4528
NPI assigned
Feb 5, 2007
Last updated
Dec 18, 2018By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 18, 2018

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X 49356 MN Primary

Addresses

Primary practice location

927 Churchill St W
Stillwater, MN 55082-6605

Mailing address

PO Box 1309
Ms 21110Q
Minneapolis, MN 55440-1309
Phone (651) 254-3456

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN, WI2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20070409000463 MN Practitioner - Internal MedicinePractitioner - Pediatric Medicine 9739283383 Reassigns benefits to 4 organizations
I20111109000845 WI Practitioner - Internal Medicine 9739283383 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Pediatric Medicine
Education
University of Minnesota Medical School, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Healthpartners RCGroup PAC ID 5890126726, shared by 7 NPIs, 52 clinicians
Hutchinson HealthGroup PAC ID 0345330072, 145 clinicians
St. Croix Regional Medical CenterGroup PAC ID 9335032184, 131 clinicians
Amery Regional Medical Center IncGroup PAC ID 2769391960, 124 clinicians
Hudson Hospital IncGroup PAC ID 0648183061, 37 clinicians
Westfields Hospital IncGroup PAC ID 2264490960, 108 clinicians
Group Health IncGroup PAC ID 1759293954, 1,627 clinicians

Practice addresses (Care Compare)

100 Healthy Way
Olivia, MN 56277-1117
Phone (320) 523-1460

1029 Hwy 15 S
Hutchinson, MN 55350-3153
Phone (320) 484-4400

1071 Hwy 15 S
Hutchinson, MN 55350-3153
Phone (320) 484-4610

235 E State St
Saint Croix Falls, WI 54024-4117
Phone (715) 483-3221

265 Griffin St E
Amery, WI 54001-1439
Phone (715) 268-8000

405 Stageline Rd
Hudson, WI 54016-7848
Phone (715) 531-6000

535 Hospital Rd
New Richmond, WI 54017-1449
Phone (715) 243-2600

640 Jackson St
Saint Paul, MN 55101-2502
Phone (651) 221-3456

8600 Nicollet Ave
Bloomington, MN 55420-2824
Phone (952) 884-1148

927 Churchill W St
Stillwater, MN 55082-6605
Phone (651) 439-5330

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
49356MNMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
St. Croix Regional Medical Center CurrentSince Sep 15, 2017 Accepting new patients
St. Croix Regional Medical Center CurrentSince Sep 15, 2017 Accepting new patients
Hutchinson Health CurrentSince Apr 29, 2020 Accepting new patients
Amery Regional Medical Center, Inc. CurrentSince Jul 27, 2016 Accepting new patients
Westfields Hospital, Inc. CurrentSince Aug 1, 2015 Accepting new patients
Hudson Hospital, Inc. CurrentSince Sep 8, 2011 Accepting new patients
Amery Regional Medical Center, Inc. CurrentSince Dec 31, 2025 Accepting new patients
Hudson Hospital, Inc. CurrentSince Sep 8, 2011 Accepting new patients
Westfields Hospital, Inc CurrentSince Aug 1, 2015 Accepting new patients
Healthpartners RC CurrentSince Jul 1, 2022 Accepting new patients
Healthpartners RC CurrentSince Jul 1, 2022 Accepting new patients
Group Health, Inc. Current Accepting new patients
Amery Regional Medical Center, Inc. CurrentSince Jul 27, 2016 Accepting new patients
Westfields Hospital, Inc. CurrentSince Dec 31, 2025 Accepting new patients
Group Health, Inc. CurrentSince Jul 15, 2011 Accepting new patients

Locations

1029 Highway 15 S
Hutchinson, MN 55350
Phone (320) 275-3358

2220 Riverside Ave
Minneapolis, MN 55454
Phone (612) 371-1600

8600 Nicollet Ave S
Minneapolis, MN 55420
Phone (952) 887-6600

100 Healthy Way
Olivia, MN 56277
Phone (320) 523-1261

1500 Curve Crest Blvd W
Stillwater, MN 55082

921 Greeley St S
Stillwater, MN 55082

927 Churchill St W
Stillwater, MN 55082
Phone (651) 430-4529

265 Griffin St E
Amery, WI 54001
Phone (715) 268-0301

405 Stageline Rd
Hudson, WI 54016
Phone (715) 531-6000

535 Hospital Rd
New Richmond, WI 54017
Phone (651) 292-2013

2600 65th Ave
Osceola, WI 54020
Phone (705) 268-8000

216 S Adams St
St Croix Fls, WI 54024
Phone (715) 483-0426

235 E State St
St Croix Fls, WI 54024
Phone (715) 483-3221

Organizations & group practices 15

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

View all 15

Hospital & facility affiliations 16

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 16

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1170633600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1545091200000",
    "number": "1457490500",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1309",
            "address_2": "MS 21110Q",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554401309",
            "telephone_number": "651-254-3456",
            "fax_number": "651-254-9673"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "927 CHURCHILL ST W",
            "city": "STILLWATER",
            "state": "MN",
            "postal_code": "550826605",
            "telephone_number": "651-439-5330",
            "fax_number": "651-430-4528"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "REIERSON",
        "first_name": "KREEGAN",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-02-05",
        "last_updated": "2018-12-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MN",
            "license": "49356",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stillwater, MN

Sources for this page

Verify at the official NPI Registry.