What is Justine Larsen's NPI number?

Justine Larsen's National Provider Identifier (NPI) is 1790667251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Justine Larsen's specialty?

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

Where is Justine Larsen located?

Justine Larsen's practice location on file with NPPES is 8 Segatogue Ln # Private, South Setauket, NY 11720-1234.

What is Justine Larsen's phone number?

The practice phone number listed in the NPPES registry for Justine Larsen is (646) 457-7822.

Is Justine Larsen's NPI active?

Yes — Justine Larsen's NPI (1790667251) is active in the NPPES registry as of the last update on 2025-07-24.

IndividualActive

Justine Larsen

NPI 1790667251 · Specialist · South Setauket, NY

Justine Larsen is a Specialist provider in South Setauket, NY (NPI 1790667251).

Provider details

NPI number: 1790667251
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

SpecialistPrimary174400000X
Other 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
Under 1 yr in 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

8 Segatogue Ln # Private

South Setauket, NY 11720-1234

Phone: (646) 457-7822

Street-level locationGet directions

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Mailing address