What is Sylvia Toy's NPI number?

Sylvia Toy's National Provider Identifier (NPI) is 1851454631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sylvia Toy's specialty?

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

Where is Sylvia Toy located?

Sylvia Toy's practice location on file with NPPES is 27400 Hesperian Blvd, Hayward, CA 94545-4235.

What is Sylvia Toy's phone number?

The practice phone number listed in the NPPES registry for Sylvia Toy is (510) 784-4255.

Is Sylvia Toy's NPI active?

Yes — Sylvia Toy's NPI (1851454631) is active in the NPPES registry as of the last update on 2009-07-01.

IndividualActive

Sylvia Toy, REGISTERED DIETITIAN

NPI 1851454631 · Registered Dietitian · Hayward, CA

Sylvia Toy, REGISTERED DIETITIAN is a Registered Dietitian provider in Hayward, CA (NPI 1851454631).

Provider details

NPI number: 1851454631
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: REGISTERED DIETITIAN
Sex: Female
Sole proprietor: No
License: 410040 (CA)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 410040 (CA)
Dietary & Nutritional Service Providers

Profile Score

Detailed profile(90/100 index)

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

Registry tenure38% of score
19 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

27400 Hesperian Blvd

Hayward, CA 94545-4235

Phone: (510) 784-4255

Street-level locationGet directions

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Mailing address