Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William Mcmahon
Behavior Technician in Durham, NC · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811788870
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Registry record
Entity type Individual (Type 1)
Name William Mcmahon
Sex Male
Practice address 3001 Academy Rd Ste 200, Durham, NC, 27707
Phone (919) 602-2292
Enumeration date May 16, 2025
Last updated in NPPES May 16, 2025
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
What is the NPI number for William Mcmahon?
The National Provider Identifier (NPI) for William Mcmahon is 1811788870, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Mcmahon practice?
The practice location on file with NPPES is in Durham, NC. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-16.