Individual
SEBASTIEN JOSEPH
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
PA-S
Contact information
Practice address
577 WESTERN AVE, WESTFIELD, MA 01085-2580
(413) 572-8149
Mailing address
577 WESTERN AVE, WESTFIELD, MA 01085-2580
Taxonomy
Speciality
Code
Description
License number
State
363A00000X
Physician Assistant
Primary
—
—
Other
Enumeration date
01/31/2026
Last updated
01/31/2026
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Contact us