Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Arthur Long, PT, DPT
Physical Therapist in Waltham, MA · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1346665825
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Arthur Long
Credential PT, DPT
Sex Male
Practice address 40 2nd Ave, Waltham, MA, 02451
Phone (781) 487-3827
Fax (781) 487-3801
Enumeration date Feb 20, 2014
Last updated in NPPES Feb 20, 2014
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 20992 (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 Arthur Long practice?
The practice location on file with NPPES is in Waltham, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Arthur Long?
The National Provider Identifier (NPI) for Arthur Long is 1346665825, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Leslie Vensel Internal Medicine Physician · Waltham, MA NPI 1336139021 Abdul Asmal Endocrinology, Diabetes & Metabolism Physician · Waltham, MA NPI 1144210832 Peter Greenspan Pediatrics Physician · Waltham, MA NPI 1295725885 Beth Mccabe Pediatrics Physician · Waltham, MA NPI 1114908902 Carey York Best Obstetrics & Gynecology Physician · Waltham, MA NPI 1194707836 Jonathan Winickoff Pediatrics Physician · Waltham, MA NPI 1720049760 John Mcnemar Certified Registered Nurse Anesthetist · Waltham, MA NPI 1295798890 Nancy Gracin Cardiovascular Disease Physician · Waltham, MA NPI 1003852526
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-02-20.