Individual provider Active NPI

Kenneth Klein, MD

  • Radiation Oncology Physician
  • Eau Claire, WI
National Provider Identifier
1891736963
Registry record updated May 9, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
17860 Issued in WI
Practice address
900 W Clairemont Ave
Eau Claire, WI 54701-6122
Phone
(715) 717-4121
NPI assigned
Jun 9, 2006
Last updated
May 9, 2024By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 9, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X 17860 WI Primary

Addresses

Primary practice location

900 W Clairemont Ave
Eau Claire, WI 54701-6122

Mailing address

1843 Michigan St
Sturgeon Bay, WI 54235-1007
Phone (920) 746-0090

Other practice location 1

835 S Van Buren St
Green Bay, WI 54301-3526
Phone (920) 433-8184

Other identifiers 1

IdentifierTypeStateIssuer
30116700MedicaidWI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, MI, NE, IA, KY, MS, IL7 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

Enrollment IDStateProvider typePAC IDDetails
I20040719000247 WI Practitioner - Radiation Oncology 9335040237 Reassigns benefits to 4 organizations
I20201203000485 MI Practitioner - Radiation Oncology 9335040237 Reassigns benefits to 2 organizations
I20210617000385 NE Practitioner - Radiation Oncology 9335040237 Reassigns benefits to 3 organizations
I20210920001010 IA Practitioner - Radiation Oncology 9335040237 Reassigns benefits to 1 organization
I20240923003548 KY Practitioner - Radiation Oncology 9335040237 Reassigns benefits to 1 organization
I20250331001107 MS Practitioner - Radiation Oncology 9335040237 Reassigns benefits to 1 organization
I20250623000014 IL Practitioner - Radiation Oncology 9335040237 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
New York University School of Medicine, 1969
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Johnson Family Center for Cancer CareGroup PAC ID 3678551637, 10 clinicians
Mercy Medical Center-DubuqueGroup PAC ID 2668467168, 20 clinicians
Baptist Health Medical Group IncGroup PAC ID 5597867184, 2,431 clinicians
Mt. Vernon Radiation Therapy CenterGroup PAC ID 2163439498, 5 clinicians

Practice addresses (Care Compare)

1440 E Sherman Blvd
Muskegon, MI 49444-1816
Phone (231) 672-2008

150 Mercy Dr
Mercyone Dubuque Cancer Center
Dubuque, IA 52001-7320
Phone (563) 589-8024

200 Cardinal Dr
Suite 201
Elizabethtown, KY 42701-3754
Phone (270) 706-5065

250 Mercy Dr
Dubuque, IA 52001-7320
Phone (563) 589-8000

4115 Veterans Memorial Dr
Mount Vernon, IL 62864-6262
Phone (618) 241-1827

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hospital at Gulfport CurrentSince Feb 27, 2025 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Apr 22, 2019 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
Baptist Health Medical Group Inc CurrentSince Feb 1, 2026 Accepting new patients
Mymichigan Medical Center Midland CurrentSince Nov 13, 2025 Accepting new patients
Memorial Hospital at Gulfport Current Accepting new patients
Methodist Fremont Health CurrentSince Sep 20, 2021 Accepting new patients
CHI Health Clinic Specialty, LLC Radiation Oncology CurrentSince Jun 21, 2021 Accepting new patients
Good Samaritan Regional Health Center CurrentSince May 1, 2025 Accepting new patients
Mymichigan Medical Center Saginaw Current Accepting new patients
MCHS Hospitals, Inc. CurrentSince Jan 2, 2019 Accepting new patients
West Branch Regional Medical Center Current Accepting new patients
Nebraska Methodist Hospital Current Accepting new patients
Baptist Health Deaconess Medical Group Inc Current Accepting new patients
Mymichigan Medical Center Saginaw CurrentSince Nov 13, 2025 Accepting new patients
Good Samaritan Regional Health Center Radiation Oncology CurrentSince May 1, 2025 Accepting new patients
Mymichigan Medical Center West Branch CurrentSince Nov 13, 2025 Accepting new patients
Mymichigan Medical Center West Branch Current Accepting new patients
MCHS Hospitals Inc CurrentSince Jan 2, 2019 Accepting new patients
Mercy Health System Corporation CurrentSince Mar 8, 2021 Accepting new patients
Johnson Family Center for Cancer Care CurrentSince May 1, 2025 Accepting new patients
Mymichigan Medical Center Midland CurrentSince Nov 13, 2025 Accepting new patients
Mercy Medical Center-Dubuque CurrentSince Sep 8, 2025 Accepting new patients
Mercy Health System Corporation CurrentSince Mar 8, 2021 Accepting new patients
Physician Services Corporation of Southern Illinois Inc. CurrentSince Jun 1, 2026 Accepting new patients
Mercy Medical Center-Dubuque CurrentSince Sep 8, 2025 Accepting new patients
Dickinson County Healthcare System CurrentSince Aug 13, 2020 Accepting new patients
Marshfield Clinic Inc CurrentSince Mar 2, 2015 Accepting new patients
Mt Vernon Radiation Therapy Center CurrentSince Jun 23, 2025 Accepting new patients
Memorial Hospital at Gulfport CurrentSince Feb 27, 2025 Accepting new patients
Baptist Health Medical Group Inc CurrentSince Feb 1, 2026 Accepting new patients
Mercy Health Partners Past Accepting new patients
Lima Memorial Joint Operating Company Past Accepting new patients
Baptist Health Medical Group Inc Radiation Oncology Past Accepting new patients

Locations (25 of 38)

250 Mercy Dr
Dubuque, IA 52001
Phone (563) 589-8000

29624 Network Pl
Chicago, IL 60673
Phone (608) 741-7652

7420 Solutions Ctr
Chicago, IL 60677
Phone (314) 989-3155

1 Good Samaritan Way
Mount Vernon, IL 62864
Phone (618) 242-4600

4115 Veterans Memorial Dr
Mount Vernon, IL 62864
Phone (618) 241-1827

4225 Lincolnshire Dr
Ste B
Mount Vernon, IL 62864

5 Good Samaritan Way
Mount Vernon, IL 62864
Phone (557) 203-1601

200 Cardinal Dr
Ste 201
Elizabethtown, KY 42701
Phone (270) 706-5065

800 Hospital Dr
Fl 2
Madisonville, KY 42431
Phone (270) 326-3900

900 Hospital Dr
Madisonville, KY 42431
Phone (270) 326-3900

2603 Kentucky Ave
Ste 304
Paducah, KY 42003
Phone (270) 415-4800

1117 S Van Dyke Rd
Ste 300
Bad Axe, MI 48413

1721 S Stephenson Ave
Iron Mountain, MI 49801
Phone (906) 776-5415

4000 Wellness Dr
Midland, MI 48670
Phone (844) 832-1956

4500 N Campus Ridge Dr
Midland, MI 48640
Phone (989) 837-9250

1440 E Sherman Blvd
Muskegon, MI 49444
Phone (231) 672-2008

1440 E Sherman Blvd
Ste 300
Muskegon, MI 49444
Phone (231) 672-2008

800 S Washington Ave
Saginaw, MI 48601
Phone (989) 776-8000

2431 S M 30
Ste 116
West Branch, MI 48661
Phone (989) 343-3660

2463 S M 30
West Branch, MI 48661
Phone (517) 345-3660

1340 Broad Ave
Ste 140
Gulfport, MS 39501
Phone (228) 575-2950

1340 Broad Ave
Ste 440
Gulfport, MS 39501
Phone (228) 867-4856

450 E 23rd St
Fremont, NE 68025
Phone (402) 721-1610

10 E 31st St
Kearney, NE 68847
Phone (308) 234-5520

8207 Northwoods Dr
Ste 100
Lincoln, NE 68505
Phone (402) 484-3440

Interoperability endpoints

  • Direct secure messaging: kenneth.klein@direct.nmhs.org
  • Direct secure messaging: kenneth.klein@marshfieldclinichealthsystem.cernerdirect.com

Organizations & group practices 36

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 36

Hospital & facility affiliations 5

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

NPI Registry JSON

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

{
    "created_epoch": "1149811200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1715212800000",
    "number": "1891736963",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1843 MICHIGAN ST",
            "city": "STURGEON BAY",
            "state": "WI",
            "postal_code": "542351007",
            "telephone_number": "920-746-0090",
            "fax_number": "920-746-1072"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 W CLAIREMONT AVE",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "547016122",
            "telephone_number": "715-717-4121"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "835 S Van Buren St",
            "address_purpose": "LOCATION",
            "city": "Green Bay",
            "state": "WI",
            "postal_code": "543013526",
            "country_code": "US",
            "telephone_number": "920-433-8184",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KLEIN",
        "first_name": "KENNETH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-09",
        "last_updated": "2024-05-09",
        "certification_date": "2024-05-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "WI",
            "license": "17860",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30116700",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Eau Claire, WI

Sources for this page

Verify at the official NPI Registry.