Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William J Howley, PT
Physical Therapist in Hyannis, MA · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255672390
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Registry record
Entity type Individual (Type 1)
Name William J Howley
Credential PT
Sex Male
Practice address 905 Attucks Ln, Hyannis, MA, 02601
Phone (315) 559-7383
Enumeration date Mar 14, 2013
Last updated in NPPES Mar 23, 2023
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20412 (MA) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT credential
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 Howley?
The National Provider Identifier (NPI) for William Howley is 1255672390, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Howley practice?
The practice location on file with NPPES is in Hyannis, MA. 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 2023-03-23.