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

Olivia Marchioni, MS, RDN, LDN

Individual provider Pediatric Critical Care Nutrition Registered Dietitian · NPI 1083324891

Olivia Marchioni, MS, RDN, LDN is a Pediatric Critical Care Nutrition Registered Dietitian in Boston, Massachusetts. Registered with an NPI since 2022.

In the registry since
2022
What do these letters mean?
MS — Master of Science
A graduate science degree.
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

See every abbreviation used in this directory →

Practice location Address checks out

800 Washington St
Boston, MA 02111-1552
Phone: (617) 636-4208
Show map & directions

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

Specialties & licences

Pediatric Critical Care Nutrition Registered Dietitian (primary) Taxonomy 133VN1401X

Record details

NPI number1083324891
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RDN , LDN
Sole proprietorNo
NPI enumeratedDecember 2, 2022
Last updated in NPPESDecember 2, 2022
Certification dateDecember 2, 2022