What is Madelyn Sinnott's NPI number?

Madelyn Sinnott's National Provider Identifier (NPI) is 1821943374, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Madelyn Sinnott's specialty?

Madelyn Sinnott is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Madelyn Sinnott located?

Madelyn Sinnott's practice location on file with NPPES is 77 Depot St, Duxbury, MA 02332-4432.

What is Madelyn Sinnott's phone number?

The practice phone number listed in the NPPES registry for Madelyn Sinnott is (781) 264-0938.

Is Madelyn Sinnott's NPI active?

Yes — Madelyn Sinnott's NPI (1821943374) is active in the NPPES registry as of the last update on 2026-03-02.

IndividualActive

Madelyn Sinnott

NPI 1821943374 · Registered Nurse · Duxbury, MA

Madelyn Sinnott is a Registered Nurse provider in Duxbury, MA (NPI 1821943374).

Provider details

NPI number: 1821943374
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Sex: Female
Sole proprietor: No
License: RN2356432 (MA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense RN2356432 (MA)
Nursing Service Providers

Profile Score

Established profile(53/100 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

77 Depot St

Duxbury, MA 02332-4432

Phone: (781) 264-0938

Street-level locationGet directions

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Mailing address