What is Marianne Sampayo's NPI number?

Marianne Sampayo's National Provider Identifier (NPI) is 1154296226, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marianne Sampayo's specialty?

Marianne Sampayo is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Marianne Sampayo located?

Marianne Sampayo's practice location on file with NPPES is 100 Melrose Ave Ste 201, Greenwich, CT 06830-6277.

What is Marianne Sampayo's phone number?

The practice phone number listed in the NPPES registry for Marianne Sampayo is (203) 360-8745.

Is Marianne Sampayo's NPI active?

Yes — Marianne Sampayo's NPI (1154296226) is active in the NPPES registry as of the last update on 2025-10-08.

IndividualActive

Marianne Sampayo

NPI 1154296226 · Specialist · Greenwich, CT

Marianne Sampayo is a Specialist provider in Greenwich, CT (NPI 1154296226).

Provider details

NPI number: 1154296226
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Sex: Female
Sole proprietor: Yes
License: 4186 (CT)

Specialties & taxonomies

SpecialistPrimary174400000XLicense 4186 (CT)
Other Service Providers

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% 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

100 Melrose Ave Ste 201

Greenwich, CT 06830-6277

Phone: (203) 360-8745

Street-level locationGet directions

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Mailing address