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

Davis William Larson, MSN, RN

Individual provider Emergency Registered Nurse · NPI 1811823115

Davis William Larson, MSN, RN is an Emergency Registered Nurse in Newton, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2026.

Licensed in
MA
In the registry since
2026
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
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

2014 Washington St
Newton, MA 02462-1607
Phone: (617) 243-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Registered Nurse (primary) Taxonomy 163WE0003X · Licence RN2335742 (MA)

Record details

NPI number1811823115
Entity typeIndividual (Type 1)
GenderMale
Credentials MSN , RN
Sole proprietorNo
NPI enumeratedJune 23, 2026
Last updated in NPPESJune 23, 2026
Certification dateJune 23, 2026
Mailing address2014 Washington St, Newton, MA 02462-1607

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