Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Steven Jefferis
Physical Therapist in Natick, MA · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1366314858
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Registry record
Entity type Individual (Type 1)
Name Steven Jefferis
Sex Male
Practice address 947 Worcester St, Natick, MA, 01760
Phone (508) 720-0258
Enumeration date Sep 23, 2025
Last updated in NPPES Jan 23, 2026
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License CP052501T (DE) Primary
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PTL89095 (MA) Secondary
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 Steven Jefferis?
The National Provider Identifier (NPI) for Steven Jefferis is 1366314858, a Type 1 (individual) record in the CMS NPPES registry.
Where does Steven Jefferis practice?
The practice location on file with NPPES is in Natick, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-23.