KENNETH KLEIN MD
NPI 1891736963
Radiology - Radiation Oncology in Eau Claire, WI

Active since June 09, 2006PECOS EnrolledAccepts Medicare Assignment
900 W CLAIREMONT AVE, EAU CLAIRE, WI 54701(715) 717-4121 Get Directions Write a Review

NPPES record last updated: May 9, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 9, 2024, Nov 17, 2022, Dec 21, 2020 and 1 more (4 updates tracked since 2018).

About Kenneth Klein Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KENNETH KLEIN MD (NPI 1891736963) is an individual radiation oncology provider in Eau Claire, Wisconsin, licensed in Wisconsin (17860) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Mercyone Dubuque Medical Center, and maintains a secondary practice location in Green Bay.

NPPES Registry Identity

NPI1891736963
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameKENNETH KLEINCredential: MD
Location Address900 W CLAIREMONT AVEEau Claire, WI 54701-6122
Mailing Address1843 Michigan StSturgeon Bay, WI 54235-1007 · (920) 746-0090 · Fax (920) 746-1072
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 1969
Enumeration DateJune 9, 2006
Last NPPES UpdateMay 9, 20244 updates tracked since enumeration
NPPES CertifiedMay 9, 2024
✔ NPI 1891736963 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in WI · 17860
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
900 W CLAIREMONT AVE, Eau Claire, WI 54701

Secondary Practice Location 1

Location 1835 S Van Buren StGreen Bay, WI 54301-3526 · Phone (920) 433-8184

Other Identifiers 1

Medicaid30116700WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kenneth Klein Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9335040237
PECOS Enrollment IDI20201203000485, I20210920001010, I20240923003548, I20250623000014
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

14

Medicare enrollment records show Kenneth Klein reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinic/Center
2310 CRAIG RD
Eau Claire, WI 54701
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,476 clinicians in this Medicare group
Clinic/Center
806 2ND ST
Chetek, WI 54728
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,616 clinicians in this Medicare group
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,540 clinicians in this Medicare group
General Acute Care Hospital
250 MERCY DR
Dubuque, IA 52001
  • Reassigned Medicare billing, Iowa enrollment
  • 94 clinicians in this Medicare group
Orthopaedic Surgery
229 W GENESEE ST
Iron River, MI 49935
  • Reassigned Medicare billing, Michigan enrollment
  • 136 clinicians in this Medicare group
General Acute Care Hospital
1000 MINERAL POINT AVE
Janesville, WI 53548
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,155 clinicians in this Medicare group
Oncology, Radiation
1440 E SHERMAN BLVD
Muskegon, MI 49444
  • Reassigned Medicare billing, Michigan enrollment
  • 22 clinicians in this Medicare group
Emergency Medicine
8303 DODGE ST
Omaha, NE 68114
  • Reassigned Medicare billing, Nebraska enrollment
  • 239 clinicians in this Medicare group
Internal Medicine
450 E 23RD ST
Fremont, NE 68025
  • Reassigned Medicare billing, Nebraska enrollment
  • 178 clinicians in this Medicare group
Hospitalist
555 S 70TH ST
Lincoln, NE 68510
  • Reassigned Medicare billing, Nebraska enrollment
  • 525 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
305 services25 patients
Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session G6015
Intensity-modulated radiation therapy (IMRT) is a type of cancer treatment. It uses advanced technology to manipulate photon beams of radiation to conform to the shape of a tumor. IMRT allows for the radiation dose to conform more precisely to the three-dimensional shape of the tumor by modulating—or controlling—the intensity of the radiation beam. This can result in better tumor control and less harm to healthy tissue.
275 services22 patients
Continuing radiation therapy consultation per week 77336
Continuing radiation therapy consultation per week involves regular meetings with your healthcare team. These sessions help monitor your progress, manage side effects, and adjust your treatment plan if necessary. It's a key part of ensuring the effectiveness of your radiation therapy.
69 services25 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
62 services22 patients
Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
54 services22 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
50 services42 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercyone Dubuque Medical Center

Acute Care Hospitals · Dubuque, IA
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number160069
Location250 Mercy DriveDubuque, IA 52001 · Dubuque County
Emergency services Birthing friendly

Baptist Health Hardin

Acute Care Hospitals · Elizabethtown, KY
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number180012
Location913 North Dixie AvenueElizabethtown, KY 42701 · Hardin County
Emergency services

Mymichigan Medical Center Midland

Acute Care Hospitals · Midland, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230222
Location4000 Wellness DriveMidland, MI 48670 · Midland County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$163.24 typical visit price
range $53.90 – $163.24
Typical copayment $40.81 (range $13.47 – $40.81)
Most-billed visit code 99205
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
900 W CLAIREMONT AVE
EAU CLAIRE, WI 54701
Audiologist
900 W CLAIREMONT AVE
EAU CLAIRE, WI 54701
Occupational Therapist
900 W CLAIREMONT AVE
EAU CLAIRE, WI 54701
Durable Medical Equipment & Medical Supplies
900 W CLAIREMONT AVE
EAU CLAIRE, WI 54701
Emergency Medicine
900 W CLAIREMONT AVE
EAU CLAIRE, WI 54701
Surgery
900 W CLAIREMONT AVE
EAU CLAIRE, WI 54701
Physician Assistant
900 W CLAIREMONT AVE
EAU CLAIRE, WI 54701
Speech-Language Pathologist
900 W CLAIREMONT AVE
EAU CLAIRE, WI 54701

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kenneth Klein's NPI number?

The NPI number for Kenneth Klein is 1891736963. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Where is Kenneth Klein located?

Kenneth Klein practices at 900 W Clairemont Ave, Eau Claire, WI 54701. The listed phone number is (715) 717-4121.

What is Kenneth Klein's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Kenneth Klein enrolled in Medicare?

Yes. Kenneth Klein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Kenneth Klein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kenneth Klein reassigns Medicare benefits to 14 organizations: Mchs Hospitals Inc (Eau Claire, WI), Lakeview Medical Center Inc Of Rice Lake (Chetek, WI), Marshfield Clinic Inc (Marshfield, WI), Mercy Medical Center-Dubuque (Dubuque, IA), Dickinson County Healthcare System (Iron River, MI) and 9 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kenneth Klein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kenneth Klein accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and CareSource and 6 other insurers list Kenneth Klein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Kenneth Klein affiliated with any hospitals?

According to CMS data, Kenneth Klein is affiliated with Mercyone Dubuque Medical Center, Baptist Health Hardin and Mymichigan Medical Center Midland.

When was this NPI record last updated?

The NPPES record for Kenneth Klein was last updated on May 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.