What is Sierra Viscaina's NPI number?

Sierra Viscaina's National Provider Identifier (NPI) is 1295469070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sierra Viscaina's specialty?

Sierra Viscaina is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).

Where is Sierra Viscaina located?

Sierra Viscaina's practice location on file with NPPES is 1245 E Santa Clara St, San Jose, CA 95116-2337.

What is Sierra Viscaina's phone number?

The practice phone number listed in the NPPES registry for Sierra Viscaina is (408) 240-0070.

Is Sierra Viscaina's NPI active?

Yes — Sierra Viscaina's NPI (1295469070) is active in the NPPES registry as of the last update on 2026-03-11.

IndividualActive

Sierra Viscaina

NPI 1295469070 · Peer Specialist · San Jose, CA

Sierra Viscaina is a Peer Specialist provider in San Jose, CA (NPI 1295469070).

Provider details

NPI number: 1295469070
Entity type: Individual
Primary specialty: Peer SpecialistOther Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Peer SpecialistPrimary175T00000X
Other 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
3 yrs in NPPES 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

1245 E Santa Clara St

San Jose, CA 95116-2337

Phone: (408) 240-0070

Street-level locationGet directions

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Mailing address