Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. SIERRA ELIZABETH VISCAINA
NPI 1295469070
Peer Specialist in San Jose, CA

Q: What is Sierra Viscaina's NPI number?

The NPI number for Sierra Viscaina is 1295469070. It was assigned to this individual provider in the NPPES registry on July 15, 2022.

Q: What is Sierra Viscaina's specialty?

The primary specialty registered for this NPI is Peer Specialist with taxonomy code 175T00000X.

Q: When was this NPI record last updated?

The NPPES record for Sierra Viscaina was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 15, 2022

1245 E SANTA CLARA ST, SAN JOSE, CA 95116(408) 240-0070 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 11, 2026, May 29, 2025, Jun 21, 2023 and 1 more (4 updates tracked since 2022).

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About Mrs. Sierra Elizabeth Viscaina NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. SIERRA ELIZABETH VISCAINA (NPI 1295469070) is an individual peer specialist in San Jose, California and active in the NPI registry since July 2022. She maintains a secondary practice location in Gilroy.

NPPES Registry Identity

NPI1295469070

Entity TypeIndividualFemale

Primary Taxonomy175T00000X

Provider Legal NameMRS. SIERRA ELIZABETH VISCAINA

Location Address1245 E SANTA CLARA STSan Jose, CA 95116-2337

Mailing Address1245 E Santa Clara StSan Jose, CA 95116-2337 · (408) 240-0070

Phone(408) 240-0070

Sole ProprietorNo

Enumeration DateJuly 15, 2022

Last NPPES UpdateJune 22, 20264 updates tracked since enumeration

NPPES CertifiedJune 22, 2026

✔ NPI 1295469070 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPeer SpecialistOther Service Providers

Taxonomy Code175T00000X

Definition

Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1245 E SANTA CLARA ST, San Jose, CA 95116

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Secondary Practice Location 1

Location 1290 Ioof AveGilroy, CA 95020-5204 · Phone (408) 846-2100

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JANICE BONELLO

Rehabilitation Practitioner