Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. WILLIAM TIREY DAVIS BCBA, LBA
NPI 1508475864
Behavior Analyst in Knoxville, TN

Q: What is William Davis's NPI number?

The NPI number for William Davis is 1508475864. It was assigned to this individual provider in the NPPES registry on July 23, 2020.

Q: What is William Davis's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

Q: When was this NPI record last updated?

The NPPES record for William Davis was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 23, 2020

9234 KINGSTON PIKE, KNOXVILLE, TN 37922(678) 978-8521 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 28, 2026, Jul 23, 2020 (2 updates tracked since 2020).

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About Mr. William Tirey Davis Bcba, Lba NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. WILLIAM TIREY DAVIS BCBA, LBA (NPI 1508475864) is an individual behavior analyst provider in Knoxville, Tennessee, licensed in Alabama (2020-054) and active in the NPI registry since July 2020.

NPPES Registry Identity

NPI1508475864

Entity TypeIndividualMale

Primary Taxonomy103K00000X

Provider Legal NameMR. WILLIAM TIREY DAVISCredential: BCBA, LBA

Location Address9234 KINGSTON PIKEKnoxville, TN 37922-2380

Mailing Address9234 Kingston Pike, Pmb 474Knoxville, TN 37922-2380

Phone(678) 978-8521

Sole ProprietorNo

Enumeration DateJuly 23, 2020

Last NPPES UpdateJuly 28, 20262 updates tracked since enumeration

NPPES CertifiedJuly 28, 2026

✔ NPI 1508475864 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers

Taxonomy Code103K00000X

License✔ Licensed in AL · 2020-054

Definition

A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.

9234 KINGSTON PIKE, Knoxville, TN 37922

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Davis's NPI number?

The NPI number for William Davis is 1508475864. It was assigned to this individual provider in the NPPES registry on July 23, 2020.

Where is William Davis located?

William Davis practices at 9234 Kingston Pike, Knoxville, TN 37922. The listed phone number is (678) 978-8521.

What is William Davis's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

When was this NPI record last updated?

The NPPES record for William Davis was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.