Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alexander Baron, DPT
Physical Therapist in Allston, MA · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1043123342
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Registry record
Entity type Individual (Type 1)
Name Alexander Baron
Credential DPT
Sex Male
Practice address 226 Harvard Ave, Allston, MA, 02134
Phone (617) 860-1071
Fax (617) 860-1072
Enumeration date Sep 26, 2026
Last updated in NPPES Sep 26, 2026
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PTL89530 (MA) Primary
DPT · Doctor of Physical Therapy: A physical therapist holding the clinical doctorate now standard for the profession.
About the DPT 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 Alexander Baron?
The National Provider Identifier (NPI) for Alexander Baron is 1043123342, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alexander Baron practice?
The practice location on file with NPPES is in Allston, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Enrique Testa Obstetrics & Gynecology Physician · Boston, MA NPI 1598746356 Jaclyn Kolosky Obstetrics & Gynecology Physician · Allston, MA NPI 1174941173 Polyanna Neumann Nurse Practitioner · Allston, MA NPI 1548916604 Takiera Pettus Behavior Technician · Allston, MA NPI 1407695091 Lisha Wu Physical Therapist · Allston, MA NPI 1407657174 Bryanna Ferreira Physical Therapist · Allston, MA NPI 1184584161
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-09-26.