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

Principium, LLC

Organization Addiction Medicine (Psychiatry & Neurology) Physician · NPI 1205592482

Principium, LLC is an Addiction Medicine (Psychiatry & Neurology) Physician in Sturbridge, Massachusetts. Registered with an NPI since 2021.

In the registry since
2021
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

128 Main St Ste 5
Sturbridge, MA 01566-1556
Phone: (508) 659-8585
Fax: (508) 659-8586
Show map & directions

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

Specialties & licences

Addiction Medicine (Psychiatry & Neurology) Physician (primary) Taxonomy 2084A0401X

Record details

NPI number1205592482
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Maryann Mathieu — Billing Manager · (508) 418-6888
Other names Principium
NPI enumeratedNovember 12, 2021
Last updated in NPPESNovember 12, 2021
Certification dateNovember 12, 2021
Mailing address128 Main St Ste 5, Sturbridge, MA 01566-1556