KENNETH KLEIN MD
NPI 1891736963
Radiology - Radiation Oncology in Eau Claire, WI
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
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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.
Medicare Billing Reassignments
14Medicare 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.
Eau Claire, WI 54701
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Dubuque, IA 52001
- Reassigned Medicare billing, Iowa enrollment
- 94 clinicians in this Medicare group
Iron River, MI 49935
- Reassigned Medicare billing, Michigan enrollment
- 136 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Wisconsin enrollment
- 1,155 clinicians in this Medicare group
Muskegon, MI 49444
- Reassigned Medicare billing, Michigan enrollment
- 22 clinicians in this Medicare group
Omaha, NE 68114
- Reassigned Medicare billing, Nebraska enrollment
- 239 clinicians in this Medicare group
Fremont, NE 68025
- Reassigned Medicare billing, Nebraska enrollment
- 178 clinicians in this Medicare group
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.
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, IABaptist Health Hardin
Acute Care Hospitals · Elizabethtown, KYMymichigan Medical Center Midland
Acute Care Hospitals · Midland, MIPhysician 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.
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.
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.