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Crystal Slanzi, M.S. BCBA

Behavior Analyst in San Francisco, CA · enumerated 2009.

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

National Provider Identifier

1659606887

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Registry record

Entity type Individual (Type 1)
Name Crystal Slanzi
Credential M.S. BCBA
Sex Female
Practice address 744 Montgomery St, San Francisco, CA, 94111
Phone (415) 989-5000
Enumeration date Oct 6, 2009
Last updated in NPPES Oct 6, 2009

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1084886 (CA) Primary

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.

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Frequently asked questions

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.
What specialty is Crystal Slanzi?
Crystal Slanzi is registered in NPPES with the primary taxonomy of Behavior Analyst. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-10-06.