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

Marisa O'Brien, RN

Individual provider Registered Nurse · NPI 1457739724

Marisa O'Brien, RN is a Registered Nurse in Salem, New Hampshire. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2015
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

2 Keewayin Dr
Salem, NH 03079
Phone: (800) 995-2673
Fax: (888) 979-6551
Show map & directions

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

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence R210933 (MD)

Record details

NPI number1457739724
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorYes
NPI enumeratedMay 7, 2015
Last updated in NPPESMay 7, 2015
Mailing address2 Keewayin Drive, Salem, NH 03079

Other providers in Salem