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

MS. Mary Louise Sawyer, RN

Individual provider Registered Nurse · NPI 1871261750

MS. Mary Louise Sawyer, RN is a Registered Nurse in Marlborough, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2021.

Licensed in
MA
In the registry since
2021
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

340 Maple St Ste 410
Marlborough, MA 01752-3200
Phone: (508) 624-0304
Show map & directions

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

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence 257042 (MA)

Record details

NPI number1871261750
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedSeptember 3, 2021
Last updated in NPPESSeptember 3, 2021
Certification dateSeptember 3, 2021

Other providers in Marlborough