What is Maria Koutsoupias's NPI number?

Maria Koutsoupias's National Provider Identifier (NPI) is 1649168899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Maria Koutsoupias's specialty?

Maria Koutsoupias is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).

Where is Maria Koutsoupias located?

Maria Koutsoupias's practice location on file with NPPES is 184 Prospect St, South River, NJ 08882-1121.

What is Maria Koutsoupias's phone number?

The practice phone number listed in the NPPES registry for Maria Koutsoupias is (973) 370-9910.

Is Maria Koutsoupias's NPI active?

Yes — Maria Koutsoupias's NPI (1649168899) is active in the NPPES registry as of the last update on 2025-06-26.

IndividualActive

Maria Koutsoupias, MSC, RD

NPI 1649168899 · Registered Dietitian · South River, NJ

Maria Koutsoupias, MSC, RD is a Registered Dietitian provider in South River, NJ (NPI 1649168899).

Provider details

NPI number: 1649168899
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: MSC, RD
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Registered DietitianPrimary133V00000X
Dietary & Nutritional Service Providers

Profile Score

Basic profile(48/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

184 Prospect St

South River, NJ 08882-1121

Phone: (973) 370-9910

Street-level locationGet directions

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Mailing address