Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alayna Gerstel

Behavior Analyst in Sacramento, CA · enumerated 2023.

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

National Provider Identifier

1538852926

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Registry record

Entity type Individual (Type 1)

Name Alayna Gerstel

Sex Female

Practice address 1451 River Park Dr Ste 285, Sacramento, CA, 95815

Phone (877) 264-6747

Enumeration date May 31, 2023

Last updated in NPPES Jan 5, 2024

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Alayna Gerstel?

Alayna Gerstel 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.

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 2024-01-05.