Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christina Marie Bradley, PHD

Psychologist in San Francisco, CA · enumerated 2013.

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

National Provider Identifier

1780016956

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Registry record

Entity type Individual (Type 1)

Name Christina Marie Bradley

Credential PHD

Sex Female

Practice address 832 Folsom St Ste 702, San Francisco, CA, 94107

Phone (628) 235-4700

Enumeration date Jul 30, 2013

Last updated in NPPES Apr 28, 2025

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License PSY30589 (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 Christina Bradley?

Christina Bradley is registered in NPPES with the primary taxonomy of 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 2025-04-28.