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

Maria Koutsoupias, MSC, RD

Individual provider Registered Dietitian · NPI 1649168899

Maria Koutsoupias, MSC, RD is a Registered Dietitian in South River, New Jersey. Practices as a sole proprietor. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

See every abbreviation used in this directory →

Practice location Address checks out

184 Prospect St
South River, NJ 08882-1121
Phone: (973) 370-9910
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X

Record details

NPI number1649168899
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSC , RD
Sole proprietorYes
NPI enumeratedJune 26, 2025
Last updated in NPPESJune 26, 2025
Certification dateJune 26, 2025