Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Katherine Tinsley, BCBA

Behavior Analyst in Kirkland, WA · enumerated 2015.

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

National Provider Identifier

1518359793

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Registry record

Entity type Individual (Type 1)

Name Mary Katherine Tinsley

Credential BCBA

Sex Female

Practice address 11415 Ne 128th St Ste 40, Kirkland, WA, 98034

Phone (425) 307-1815

Enumeration date Feb 25, 2015

Last updated in NPPES Feb 25, 2015

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers Primary

Other identifiers

Identifier	Type	State	Issuer
1-04-1789	Other	-	BACB

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

Is NPI 1518359793 active?

Yes, as of the latest NPPES snapshot, NPI 1518359793 is active (record last updated 2015-02-25).

How do I verify Mary Tinsley's NPI record?

Cross-check NPI 1518359793 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-02-25.