Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Willian L Marks, P.T.
Physical Therapist in Orofino, ID · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1922268630
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Registry record
Entity type Individual (Type 1)
Name Willian L Marks
Credential P.T.
Sex Male
Practice address 150 126th St, Orofino, ID, 83544
Phone (208) 476-7105
Fax (208) 476-7233
Enumeration date Jun 16, 2008
Last updated in NPPES Jun 16, 2008
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License RPT1538 (ID) 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 Willian Marks?
The National Provider Identifier (NPI) for Willian Marks is 1922268630, a Type 1 (individual) record in the CMS NPPES registry.
Where does Willian Marks practice?
The practice location on file with NPPES is in Orofino, ID. 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 2008-06-16.