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

Priority One Diagnostics LLC

Organization Clinical Medical Laboratory · NPI 1033825443

Priority One Diagnostics LLC is a Clinical Medical Laboratory in Attleboro, Massachusetts. Registered with an NPI since 2023.

In the registry since
2023
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

214 N Main St Unit 4
Attleboro, MA 02703-1750
Phone: (508) 455-0443
Fax: (508) 463-4066
Show map & directions

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

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X

Record details

NPI number1033825443
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Susan Williams — Ceo · (508) 455-0443
NPI enumeratedJanuary 30, 2023
Last updated in NPPESJanuary 30, 2023
Certification dateJanuary 28, 2023
Mailing address214 N Main St Unit 4, Attleboro, MA 02703-1750

Other providers in Attleboro