Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alvina Ksenia Leon

Behavior Analyst in Annapolis, MD · enumerated 2021.

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

National Provider Identifier

1730857566

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Registry record

Entity type Individual (Type 1)

Name Alvina Ksenia Leon

Sex Female

Practice address 1750 Forest Dr Ste 160, Annapolis, MD, 21401

Phone (888) 344-5977

Enumeration date Sep 6, 2021

Last updated in NPPES Feb 20, 2026

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License LBA2528 (MD) 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 Alvina Leon?

Alvina Leon 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 2026-02-20.