Karl Edwin Stien, M.D.

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

47096 Issued in WI

Practice address

900 West Clairemont Avenue
Eau Claire, WI 54701

Phone

(715) 839-4151

NPI assigned

May 25, 2006

Last updated

Mar 12, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in WI, MN, UT, ME, WA, MI, CA7 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 7

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 LLCGroup PAC ID 5496778292, 115 clinicians

Hurley Medical CenterGroup PAC ID 2961308481, 336 clinicians

Diagnostic Radiology Associates of Wisconsin SCGroup PAC ID 5799752192, 5 clinicians

Medical X-Ray Consultants LTDGroup PAC ID 3274447313, 38 clinicians

Imaging Associates of Indiana PCGroup PAC ID 1254503345, 293 clinicians

Imaging Associates of Michigan PLLCGroup PAC ID 9537434386, 148 clinicians

Tomah Memorial Hospital IncGroup PAC ID 6901897016, shared by 4 NPIs, 54 clinicians

County of Santa ClaraGroup PAC ID 1254244973, 1,000 clinicians

Tower Imaging Medical Associates IncGroup PAC ID 2163608688, 93 clinicians

Radia Oregon Radiology Medical Group LLCGroup PAC ID 2961852637, 122 clinicians

Practice addresses (Care Compare)

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 enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 36)

Interoperability endpoints

• Direct secure messaging: kstien635907@direct.emplifyhealth.org
• Direct secure messaging: kstien93417@ewd.direct.hshs.org

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.

• Diagnostic Radiology Associates of Wisconsin SC

  • Diagnostic Radiology Physician
  • Rice Lake, WI
  • NPI 1326116781
  Medicare reassignment Care Compare group NPD
• Imaging Associates of Michigan PLLC

  • Diagnostic Radiology Physician
  • Marquette, MI
  • NPI 1164943007

  ME

  Medicare reassignment Care Compare group NPD
• Radia Oregon Radiology Medical Group LLC

  dba Radia Oregon

  • Diagnostic Radiology Physician
  • Medford, OR
  • NPI 1073385423

  ME

  Medicare reassignment Care Compare group NPD
• County of Santa Clara

  dba Josefina Narvaez Mental Health Center MH Aoa

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • San Jose, CA
  • NPI 1699885079
  Medicare reassignment Care Compare group
• Hurley Medical Center

  dba Hurley OB/GYN Research & Education

  • Obstetrics & Gynecology Physician
  • Flint, MI
  • NPI 1982630844
  Medicare reassignment Care Compare group
• Imaging Associates of Indiana, PC

  • Diagnostic Radiology Physician
  • Indianapolis, IN
  • NPI 1699072611

  ME

  Medicare reassignment Care Compare group
• Medical X-Ray Consultants, LTD

  • Vascular & Interventional Radiology Physician
  • Alexandria, MN
  • NPI 1386601383

  ME, WI

  Medicare reassignment Care Compare group
• Swedish Radia Imaging Center at Edmonds LLC

  dba Swedish Radia Edmonds

  • Diagnostic Radiology Physician
  • Edmonds, WA
  • NPI 1164494373

  ME

  Medicare reassignment Care Compare group
• Tower Imaging Medical Associates, Inc.

  • Diagnostic Radiology Physician
  • Los Angeles, CA
  • NPI 1023315074

  ME

  Medicare reassignment Care Compare group
• Black River Health Inc

  • Critical Access Hospital
  • Black River Falls, WI
  • NPI 1811940331
  Medicare reassignment NPD
• Premier Radiology Wisconsin, LLC

  • Diagnostic Radiology Physician
  • Mount Pleasant, WI
  • NPI 1952951154
  Medicare reassignment NPD
• Tomah Memorial Hospital Inc

  dba Tomah Health

  • Critical Access Hospital
  • Tomah, WI
  • NPI 1184765240
  Medicare reassignment NPD

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

• Aspirus Stanley Hospital & Clinics, Inc

  dba Aspirus Pharmacy - Stanley

  • Community/Retail Pharmacy
  • Stanley, WI
  • NPI 1578272266

  Hospital

  Care Compare affiliation
• Aspirus Stanley Hospital & Clinics, Inc.

  dba Aspirus Stanley Hospital

  • Critical Access Hospital
  • Stanley, WI
  • NPI 1053391730
  Care Compare affiliation
• Burnett Medical Center Inc

  • Critical Access Hospital
  • Grantsburg, WI
  • NPI 1225191687
  Care Compare affiliation
• Cumberland Memorial Hospital Inc

  • Critical Access Hospital
  • Cumberland, WI
  • NPI 1831243757
  Care Compare affiliation
• Spooner Health System, Inc.

  • Critical Access Hospital
  • Spooner, WI
  • NPI 1518982628
  Care Compare affiliation
• Winona Health Services

  • General Acute Care Hospital
  • Winona, MN
  • NPI 1295789352
  Care Compare affiliation

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

{
    "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": []
}

• Carolyn S Stewart, CASIT
• Cody Jay Stewart
• Cory Michael Stewart, M.D.
• Suzanne M Stewart, LPC
• Mary Stieber
• Jessica Rae Stiteley, MFT
• Linda M Stoffel, CADCIII IDP AT
• Jelena Stojsavljevic, M.D.
• Donna Mary Stolp, OTR
• Martha Stolp, LPC

• Diagnostic Radiology Physician in Eau Claire, WI
• Providers in Eau Claire, WI by specialty
• Diagnostic Radiology Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.