What is Alexa Day's NPI number?

Alexa Day's National Provider Identifier (NPI) is 1538699764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Alexa Day's specialty?

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

Where is Alexa Day located?

Alexa Day's practice location on file with NPPES is 65 Meredith Way, Weymouth, MA 02188-3507.

What is Alexa Day's phone number?

The practice phone number listed in the NPPES registry for Alexa Day is (617) 710-8933.

Is Alexa Day's NPI active?

Yes — Alexa Day's NPI (1538699764) is active in the NPPES registry as of the last update on 2025-08-19.

IndividualActive

Alexa Day, RDN

NPI 1538699764 · Registered Dietitian · Weymouth, MA

Alexa Day, RDN is a Registered Dietitian provider in Weymouth, MA (NPI 1538699764).

Provider details

NPI number: 1538699764
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RDN
Sex: Female
Sole proprietor: Yes
License: 3993 (MA)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 3993 (MA)
Dietary & Nutritional Service Providers

Profile Score

Established profile(70/100 index)

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

Registry tenure38% of score
9 yrs in NPPES 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

65 Meredith Way

Weymouth, MA 02188-3507

Phone: (617) 710-8933

Street-level locationGet directions

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Mailing address