Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Southeastern Wi Radiation

Radiation Oncology Physician in Waukesha, WI · enumerated 2006 · authorized official Wingate Clapper, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1285601062

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Registry record

Entity type Organization (Type 2)

Legal business name Southeastern Wi Radiation

Practice address N16w24131 Riverwood Drive, Waukesha, WI, 53188

Phone (262) 696-0696

Fax (262) 696-0683

Enumeration date Mar 1, 2006

Last updated in NPPES Jan 30, 2017

Taxonomy & classification

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Wingate Clapper

Title President

Phone (262) 696-0696

Other identifiers

Identifier	Type	State	Issuer
32828400	Medicaid	WI	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Southeastern Wi Radiation located?

The practice location on file with NPPES is in Waukesha, WI.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2017-01-30. Verify at npiregistry.cms.hhs.gov.

Providers at this address

Browse all →

James Jones Radiation Oncology Physician · Waukesha, WI NPI 1851368641 Wingate Clapper Radiation Oncology Physician · Waukesha, WI NPI 1760459556 Bambi Weyers Radiation Oncology Physician · Waukesha, WI NPI 1144346206

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-01-30.