Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Dylan Griffin, PT, DPT
Physical Therapist in Sherman, TX · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1447029426
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Registry record
Entity type Individual (Type 1)
Name John Dylan Griffin
Credential PT, DPT
Sex Male
Practice address 3811 N Us Highway 75 Ste 100, Sherman, TX, 75090
Phone (903) 838-8882
Enumeration date Jan 1, 2024
Last updated in NPPES Jan 1, 2024
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 1295401 (TX) 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 John Griffin?
The National Provider Identifier (NPI) for John Griffin is 1447029426, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Griffin practice?
The practice location on file with NPPES is in Sherman, TX. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-01-01.