Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David William Martin, PT, DPT
Physical Therapist in Haverhill, MA · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1265943708
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Registry record
Entity type Individual (Type 1)
Name David William Martin
Credential PT, DPT
Sex Male
Practice address 190 North Ave, Haverhill, MA, 01830
Phone (978) 372-7700
Enumeration date Oct 23, 2017
Last updated in NPPES Sep 24, 2019
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 23341 (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 David Martin?
The National Provider Identifier (NPI) for David Martin is 1265943708, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Martin practice?
The practice location on file with NPPES is in Haverhill, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-09-24.