Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alexander Nelson, PT, DPT
Physical Therapist in Haverhill, MA · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891602819
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Registry record
Entity type Individual (Type 1)
Name Alexander Nelson
Credential PT, DPT
Sex Male
Practice address 145 Ward Hill Ave, Haverhill, MA, 01835
Phone (978) 372-8000
Enumeration date Aug 25, 2026
Last updated in NPPES Aug 25, 2026
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PTL89626 (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
Where does Alexander Nelson practice?
The practice location on file with NPPES is in Haverhill, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Alexander Nelson?
The National Provider Identifier (NPI) for Alexander Nelson is 1891602819, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-25.