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

MS. Rosalie Marie Larson, MSN, RN

Individual provider Critical Care Medicine Registered Nurse · NPI 1033649124

MS. Rosalie Marie Larson, MSN, RN is a Critical Care Medicine Registered Nurse in Marrero, Louisiana. Practices as a sole proprietor. Licensed in Louisiana.

Licensed in
LA
In the registry since
2017
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

1101 Medical Center Blvd
Marrero, LA 70072-3147
Phone: (504) 349-2400
Show map & directions

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

Specialties & licences

Critical Care Medicine Registered Nurse (primary) Taxonomy 163WC0200X · Licence RN084387 (LA)

Record details

NPI number1033649124
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , RN
Sole proprietorYes
NPI enumeratedJune 13, 2017
Last updated in NPPESJune 13, 2017