Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Anna Sapozhnikova, PHD

Clinical Psychologist in Menlo Park, CA · enumerated 2016 · practices at Pacific Anxiety Group.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1427506344

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Registry record

Entity type Individual (Type 1)

Name Anna Sapozhnikova

Credential PHD

Sex Female

Practice address Menlo Park, CA, 94025

Phone (650) 995-3615

Enumeration date Sep 20, 2016

Last updated in NPPES Feb 8, 2017

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License PSY28601 (CA) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Anna Sapozhnikova?

Anna Sapozhnikova is registered in NPPES with the primary taxonomy of Clinical Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-02-08.