NPIMap

Karl Edwin Stien, M.D.

Individual provider Active NPI Diagnostic Radiology Physician · Eau Claire, WI

NPI 1104872092 · NPPES record last updated Mar 12, 2026

Key facts

NPI
1104872092
Entity type
Individual (NPI type 1)
Primary specialty
Diagnostic Radiology Physician 2085R0202X
License
47096 (WI)
Practice address
900 West Clairemont Avenue
Eau Claire, WI 54701
Phone
(715) 839-4151
NPI assigned
May 25, 2006
Sex
Male
Sole proprietor
Yes

Organizations & group practices 50

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

View all 50

Hospital & facility affiliations 6

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

Medicare Care Compare profile

Specialty
Diagnostic Radiology
Education
University of Michigan Medical School, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Swedish Radia Imaging Center at Edmonds LLC (115 clinicians)
Hurley Medical Center (336 clinicians)
Diagnostic Radiology Associates of Wisconsin SC (5 clinicians)
Medical X-Ray Consultants LTD (38 clinicians)
Imaging Associates of Indiana PC (293 clinicians)
Imaging Associates of Michigan PLLC (148 clinicians)
Tomah Memorial Hospital Inc (54 clinicians)
County of Santa Clara (1,000 clinicians)
Tower Imaging Medical Associates Inc (93 clinicians)
Radia Oregon Radiology Medical Group LLC (122 clinicians)

Practice addresses (Care Compare)

Cushing, ME 04563
Phone (918) 392-1702

1 Hurley PLZ
Flint, MI 48503-5902
Phone (810) 262-7333

1024 N Main St
Rice Lake, WI 54868-1236
Phone (715) 234-8151

1200 Grant Blvd W
Wabasha, MN 55981-1042
Phone (651) 565-5500

3 Ironclad Rd
Cape Elizabeth, ME 04107-1902
Phone (219) 767-6320

4940 N Silver Springs Rd
Park City, UT 84098-6036
Phone (715) 832-2200

501 Gopher Dr
Tomah, WI 54660-4513
Phone (608) 372-2181

751 S Bascom Ave
Santa Clara Vly Med
San Jose, CA 95128-2604
Phone (408) 885-5000

79 Ocean Ridge Rd
Cushing, ME 04563-3470
Phone (323) 549-3030

900 W Clairemont Ave
Eau Claire, WI 54701-6122
Phone (715) 858-1777

Hospital & facility affiliations

  • Spooner Health System Hospital · Spooner, WI · CCN 521332
  • Cumberland Memorial Hospital Hospital · Cumberland, WI · CCN 521353
  • Winona Health Services Hospital · Winona, MN · CCN 240044
  • Burnett Medical Center Hospital · Grantsburg, WI · CCN 521331
  • Aspirus Stanley Hospital Hospital · Stanley, WI · CCN 521311

Medicare participation

Medicare fee-for-service enrollment
Enrolled (7 enrollments) in WI, MN, UT, ME, WA, MI, CA
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20040715000448 WI Practitioner - Diagnostic Radiology 1759360605 Reassigns benefits to 8 organizations
I20040902000579 MN Practitioner - Diagnostic Radiology 1759360605 Reassigns benefits to 1 organization
I20181121001417 UT Practitioner - Diagnostic Radiology 1759360605
I20230823003681 ME Practitioner - Diagnostic Radiology 1759360605 Reassigns benefits to 11 organizations
I20240701001913 WA Practitioner - Diagnostic Radiology 1759360605 Reassigns benefits to 7 organizations
I20260324003785 MI Practitioner - Diagnostic Radiology 1759360605 Reassigns benefits to 1 organization
I20260401003521 CA Practitioner - Diagnostic Radiology 1759360605 Reassigns benefits to 3 organizations

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
47096WIMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Radia California Radiology Medical Group Inc Diagnostic Radiology Current
since Jul 1, 2025		 Accepting new patients
Black River Health Inc Current
since Dec 30, 2024		 Accepting new patients
Okanogan County Public Hospital Dist No 4 Current
since Aug 13, 2025		 Accepting new patients
Medical Xray Consultants, LTD Current
since Jul 12, 2004		 Accepting new patients
Multicare Health System Current
since Jun 10, 2024		 Accepting new patients
Black River Health Inc Current Accepting new patients
South Sound Radiologists Inc P S Diagnostic Radiology Current
since Jul 2, 2025		 Accepting new patients
Tomah Memorial Hospital Inc Diagnostic Radiology Current
since Oct 30, 2010		 Accepting new patients
Radia Oregon Radiology Medical Group LLC Diagnostic Radiology Current
since Jul 1, 2025		 Accepting new patients
Okanogan County Public Hospital Dist No 4 Current
since Jan 1, 2026		 Accepting new patients
Imaging Associates of Michigan PLLC Diagnostic Radiology Current
since Dec 1, 2025		 Accepting new patients
Tomah Memorial Hospital Inc Current
since Oct 30, 2010		 Accepting new patients
Okanogan County Public Hospital Dist No 4 Current
since Aug 13, 2025		 Accepting new patients
Multicare Health System Current Accepting new patients
Radia Inc P S Diagnostic Radiology Current
since Jul 1, 2025		 Accepting new patients
Central Washington Health Services Association Current
since Sep 15, 2025		 Accepting new patients
Tomah Memorial Hospital Inc Current
since Nov 1, 2025		 Accepting new patients
Okanogan County Public Hospital District No. 3 Current
since Jul 1, 2025		 Accepting new patients
Diagnostic Radiology Associates of Wisconsin SC Diagnostic Radiology Current
since Apr 6, 2025		 Accepting new patients
Black River Health Inc Current
since Dec 30, 2024		 Accepting new patients
Multicare Health System Body Imaging Current
since Jun 10, 2024		 Accepting new patients
Wisconsin Radiology Specialists, S C Current
since Apr 7, 2025		 Accepting new patients
Premier Radiology Wisconsin, LLC Diagnostic Radiology Current
since Apr 7, 2025		 Accepting new patients
Multicare Health System Family Medicine Past Accepting new patients
Radiology Associates of Canton, Inc. Body Imaging Past Accepting new patients
Norcal Healthconnect LLC Past Accepting new patients
Radia Imaging Center Holdings LLC Diagnostic Radiology Past Accepting new patients
Ozark Tri-County Health Care Consortium Past Accepting new patients

Locations (25 of 37)

121 Sotoyome St
Santa Rosa, CA 95405
Phone (707) 546-3141

1 Hurley Plz
Flint, MI 48503
Phone (810) 257-9000

111 17th Ave E
Alexandria, MN 56308
Phone (320) 762-1511

1200 112th Ave NE
Ste B250
Bellevue, WA 98004
Phone (206) 386-6266

13020 Meridian Ave S
Everett, WA 98208
Phone (425) 357-3700

4700 Point Fosdick Dr
Ste 104
Gig Harbor, WA 98335
Phone (253) 459-7590

222 State Ave N
Kent, WA 98030
Phone (253) 372-7680

19020 33rd Ave W
Ste 210
Lynnwood, WA 98036
Phone 42556315001

810 Jasmine St
Omak, WA 98841
Phone (509) 826-1760

18100 NE Union Hill Rd
Redmond, WA 98052
Phone (425) 498-2020

515 Minor Ave
Ste 110
Seattle, WA 98104
Phone (206) 292-6233

311 S L St
Tacoma, WA 98405
Phone (253) 403-1444

203 S Western Ave
Tonasket, WA 98855
Phone (509) 486-2151

820 N Chelan Ave
Wenatchee, WA 98801
Phone (509) 863-4868

1818 N Meade St
Appleton, WI 54911
Phone (920) 731-4101

711 W Adams St
Blk River Fls, WI 54615
Phone (715) 284-1302

610 W Adams St
Blk River Fls, WI 54615
Phone (715) 284-4311

19333 W North Ave
Brookfield, WI 53045
Phone (262) 785-2000

900 W Clairemont Ave
Eau Claire, WI 54701
Phone (715) 717-4121

1720 Harding Ave
Ste 1
Eau Claire, WI 54701
Phone (715) 461-0463

10101 S 27th St
Franklin, WI 53132
Phone (414) 325-4700

375 W River Woods Pkwy
Glendale, WI 53212
Phone (414) 326-1500

257 W Saint George Ave
Grantsburg, WI 54840
Phone (715) 463-5353

N88W14275 Main St
Menomonee Fls, WI 53051
Phone (262) 415-2001

12831 N Port Washington Rd
Mequon, WI 53097
Phone (262) 643-1300

Interoperability endpoints

  • Direct secure messaging: kstien635907@direct.emplifyhealth.org

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 47096 WI Yes

Addresses

Primary practice location

900 West Clairemont Avenue
Eau Claire, WI 54701

Mailing address

2715 W Frank St
Eau Claire, WI 54703-3628
Phone (715) 834-5511

Other practice location 1

203 S Western Ave
Tonasket, WA 98855-8803
Phone (509) 486-2151

Electronic endpoints

TypeEndpointUseAffiliation
Direct Messaging Address kstien93417@ewd.direct.hshs.org Direct St Vincent Hospital-Hospital Sisters-Third Order of St Francis

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API JSON format, last updated by the provider on Mar 12, 2026.

{
    "created_epoch": "1148515200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773273600000",
    "number": "1104872092",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2715 W FRANK ST",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "547033628",
            "telephone_number": "715-834-5511",
            "fax_number": "715-834-5870"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 WEST CLAIREMONT AVENUE",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "54701",
            "telephone_number": "715-839-4151"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "203 S Western Ave",
            "address_purpose": "LOCATION",
            "city": "Tonasket",
            "state": "WA",
            "postal_code": "988558803",
            "country_code": "US",
            "telephone_number": "509-486-2151",
            "fax_number": "509-223-1640",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STIEN",
        "first_name": "KARL",
        "middle_name": "EDWIN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-05-25",
        "last_updated": "2026-03-12",
        "certification_date": "2026-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WI",
            "license": "47096",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kstien93417@ewd.direct.hshs.org",
            "affiliation": "Y",
            "endpointDescription": "Direct Address",
            "affiliationName": "St Vincent Hospital-Hospital Sisters-Third Order of St Francis",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct Address",
            "address_1": "835 S Van Buren St",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543013526",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Eau Claire, WI

All providers in Eau Claire, WI · Diagnostic Radiology Physician in Wisconsin

Sources for this page

Verify at the official NPI Registry.