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LIAM O HAGARTY BCBA
NPI 1356842827
Behavior Analyst in Phoenix, AZ

Active since February 21, 2018
4560 N 19TH AVE, PHOENIX, AZ 85015(480) 478-0444(602) 854-7422 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 11, 2021, Feb 21, 2018 (2 updates tracked since 2018).

About Liam O Hagarty Bcba NPPES

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

LIAM O HAGARTY BCBA (NPI 1356842827) is an individual behavior analyst provider in Phoenix, Arizona, licensed in Arizona (BEH-000541) and active in the NPI registry since February 2018. He maintains 5 additional practice locations.

NPPES Registry Identity

NPI1356842827
Entity TypeIndividualMale
Primary Taxonomy103K00000X
Provider Legal NameLIAM O HAGARTYCredential: BCBA
Location Address4560 N 19TH AVEPhoenix, AZ 85015-4133
Mailing Address3304 N. 44th StPhoenix, AZ 85018 · (480) 478-0444 · Fax (602) 854-7422
Phone(480) 478-0444
Fax(602) 854-7422
Sole ProprietorNo
Enumeration DateFebruary 21, 2018
Last NPPES UpdateFebruary 25, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 25, 2026
✔ NPI 1356842827 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 AZ · BEH-000541
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.
4560 N 19TH AVE, Phoenix, AZ 85015
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Secondary Practice Locations 5

Location 113934 N 59th Ave Ste 160Glendale, AZ 85306-4168 · Phone (480) 478-0444 · Fax (602) 854-7422
Location 2140 N Litchfield Rd Ste 104Goodyear, AZ 85338-1277 · Phone (480) 478-0444 · Fax (602) 854-7422
Location 32820 E Broadway RdMesa, AZ 85204-1703 · Phone (480) 478-0444 · Fax (602) 854-7422
Location 43304 N. 44th StPhoenix, AZ 85018 · Phone (480) 478-0444 · Fax (602) 854-7422
Location 54801 E McDowell Rd # 175Phoenix, AZ 85008-7725 · Phone (480) 478-0444 · Fax (602) 854-7422

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, UnitedHealthcare.Insurance ›

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. JASMIN ALEXANDER BCBA
Behavior Analyst
4560 N 19TH AVE
PHOENIX, AZ 85015
Maricopa County (480) 478-0444
HEART TO HEART CHRISTIAN COUNSELING LLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
4560 N 19TH AVE
PHOENIX, AZ 85015
Maricopa County (731) 608-1559
ERIN ELIZABETH BOVEE MED, BCBA, LBA
Behavior Analyst
4560 N 19TH AVE
PHOENIX, AZ 85015
Maricopa County (480) 478-0444
AAMIRAH HOWARD BCBA
Behavior Analyst
4560 N 19TH AVE
PHOENIX, AZ 85015
Maricopa County (480) 478-0444

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 Liam Hagarty's NPI number?

The NPI number for Liam Hagarty is 1356842827. It was assigned to this individual provider in the NPPES registry on February 21, 2018.

Where is Liam Hagarty located?

Liam Hagarty practices at 4560 N 19th Ave, Phoenix, AZ 85015. The listed phone number is (480) 478-0444.

What is Liam Hagarty's specialty?

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

What insurance does Liam Hagarty accept?

Health plans from Blue Cross Blue Shield of Arizona and UnitedHealthcare list Liam Hagarty as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Liam Hagarty was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.