Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William Breyman, APSW
Social Worker in Janesville, WI · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1447951405
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Registry record
Entity type Individual (Type 1)
Name William Breyman
Credential APSW
Sex Male
Practice address 1905 Center Ave Ste 170, Janesville, WI, 53546
Phone (608) 352-9701
Enumeration date Mar 15, 2023
Last updated in NPPES Mar 15, 2023
Taxonomy & licenses
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 William Breyman practice?
The practice location on file with NPPES is in Janesville, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William Breyman?
The National Provider Identifier (NPI) for William Breyman is 1447951405, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-15.