Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sebastien Joseph, PA-S

Individual provider Physician Assistant · NPI 1649120478

Sebastien Joseph, PA-S is a Physician Assistant in Westfield, Massachusetts. Registered with an NPI since 2026.

In the registry since
2026

Practice location Address checks out

577 Western Ave
Westfield, MA 01085-2580
Phone: (413) 572-8149
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X

Record details

NPI number1649120478
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-S
Sole proprietorNo
NPI enumeratedJanuary 31, 2026
Last updated in NPPESJanuary 31, 2026
Certification dateJanuary 31, 2026

Other providers in Westfield