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

ZACHARY D GIERTYCH M.ED., BCBA
NPI 1033005988
Behavior Analyst in Flagstaff, AZ

Q: What is Zachary Giertych's NPI number?

The NPI number for Zachary Giertych is 1033005988. It was assigned to this individual provider in the NPPES registry on June 17, 2025.

Q: What is Zachary Giertych'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 Zachary Giertych was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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 June 17, 2025

2323 E GREENLAW LN STE 12A, FLAGSTAFF, AZ 86004(928) 275-1339(928) 222-1339 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 30, 2026, Jun 17, 2025 (2 updates tracked since 2025).

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About Zachary D Giertych M.ed., Bcba NPPES

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

ZACHARY D GIERTYCH M.ED., BCBA (NPI 1033005988) is an individual behavior analyst provider in Flagstaff, Arizona, licensed in Arizona (BEH-001269) and active in the NPI registry since June 2025.

NPPES Registry Identity

NPI1033005988

Entity TypeIndividualMale

Primary Taxonomy103K00000X

Provider Legal NameZACHARY D GIERTYCHCredential: M.ED., BCBA

Location Address2323 E GREENLAW LN STE 12AFlagstaff, AZ 86004-1849

Mailing Address2323 E Greenlaw Ln Ste 12aFlagstaff, AZ 86004-1849 · (928) 275-1339 · Fax (928) 222-1339

Phone(928) 275-1339

Fax(928) 222-1339

Sole ProprietorNo

Enumeration DateJune 17, 2025

Last NPPES UpdateJuly 30, 20262 updates tracked since enumeration

NPPES CertifiedJuly 30, 2026

✔ NPI 1033005988 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-001269

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.

2323 E GREENLAW LN STE 12A, Flagstaff, AZ 86004

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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 6

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

TESSA JULIANNE GRABOWSKY MS, BCBA

Behavior Analyst