What is Sylvia Contreras's NPI number?

Sylvia Contreras's National Provider Identifier (NPI) is 1134062680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sylvia Contreras's specialty?

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

Where is Sylvia Contreras located?

Sylvia Contreras's practice location on file with NPPES is 298 Oak Ave, Greenfield, CA 93927-5226.

What is Sylvia Contreras's phone number?

The practice phone number listed in the NPPES registry for Sylvia Contreras is (831) 915-8830.

Is Sylvia Contreras's NPI active?

Yes — Sylvia Contreras's NPI (1134062680) is active in the NPPES registry as of the last update on 2026-04-10.

IndividualActive

Sylvia Contreras

NPI 1134062680 · Registered Nurse · Greenfield, CA

Sylvia Contreras is a Registered Nurse provider in Greenfield, CA (NPI 1134062680).

Provider details

NPI number: 1134062680
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Sex: Female
Sole proprietor: Yes
License: 758587 (CA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 758587 (CA)
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

298 Oak Ave

Greenfield, CA 93927-5226

Phone: (831) 915-8830

Street-level locationGet directions

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Mailing address