Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Benjamin William Korrer, PT
Physical Therapist in Waukesha, WI · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821343435
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Registry record
Entity type Individual (Type 1)
Name Mr. Benjamin William Korrer
Credential PT
Sex Male
Practice address 1111 Delafield St, 120, Waukesha, WI, 53188
Phone (262) 544-5311
Fax (262) 544-6820
Enumeration date Jul 19, 2012
Last updated in NPPES Jan 23, 2014
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 12028 (WI) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 391101566 | 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.
Frequently asked questions
Where does Benjamin Korrer practice?
The practice location on file with NPPES is in Waukesha, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Benjamin Korrer?
The National Provider Identifier (NPI) for Benjamin Korrer is 1821343435, a Type 1 (individual) record in the CMS NPPES registry.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-01-23.