Kenneth Klein, MD
NPI 1891736963 · Radiation Oncology Physician · Eau Claire, WI
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Klein, MD is a Radiation Oncology Physician provider in Eau Claire, WI (NPI 1891736963).
Provider details
- NPI number
- 1891736963
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 17860 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
945 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 305 | $108 |
| Intensity Modulated Treatment Delivery, Single Or Multiple Fields/Arcs,via Narrow Spatially and Temporally Modulated Beams, Binary, Dynamic Mlc, Per Treatment SessionG6015 | 275 | $317 |
| Continuing Radiation Therapy Consultation Per Week77336 | 69 | $78 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 62 | $174 |
| Design and Construction of Complex Radiation Treatment Device77334 | 54 | $115 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 835 S Van Buren StGreen Bay, WI 54301-3526Phone: (920) 433-8184
Registry dates
- Enumerated
- 2006-06-09
- Last updated
- 2024-05-09
- Certified
- 2024-05-09
Frequently asked questions
- What is Kenneth Klein's NPI number?
- Kenneth Klein's National Provider Identifier (NPI) is 1891736963, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Klein's specialty?
- Kenneth Klein is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Klein located?
- Kenneth Klein's practice location on file with NPPES is 900 W Clairemont Ave, Eau Claire, WI 54701-6122.
- What is Kenneth Klein's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Klein is (715) 717-4121.
- Does Kenneth Klein accept Medicare?
- Kenneth Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Klein's NPI active?
- Yes — Kenneth Klein's NPI (1891736963) is active in the NPPES registry as of the last update on 2024-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.