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

Sarah L Sirois, RN

Individual provider Registered Nurse · NPI 1770321234

Sarah L Sirois, RN is a Registered Nurse in Waltham, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2024.

Licensed in
MA
In the registry since
2024
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

431 River St Ste 3
Waltham, MA 02453-5483
Phone: (781) 891-0555
Show map & directions

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

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence 2387547 (MA)

Record details

NPI number1770321234
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedJuly 18, 2024
Last updated in NPPESJuly 18, 2024
Certification dateJuly 18, 2024

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