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

DEREK JOHN PIRRUNG
NPI 1407702715
Behavior Analyst in La Crosse, WI

Active since March 09, 2026
901 CALEDONIA ST, LA CROSSE, WI 54603(952) 746-5350 Get Directions Write a Review

NPPES record last updated: September 4, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 4, 2026, Mar 9, 2026 (2 updates tracked since 2026).

About Derek John Pirrung NPPES

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

DEREK JOHN PIRRUNG (NPI 1407702715) is an individual behavior analyst provider in La Crosse, Wisconsin, licensed in Wisconsin (1549140) and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1407702715
Entity TypeIndividualMale
Primary Taxonomy103K00000X
Provider Legal NameDEREK JOHN PIRRUNG
Location Address901 CALEDONIA STLa Crosse, WI 54603-2616
Mailing Address14301 Ewing Ave SBurnsville, MN 55306-4885 · (952) 736-5350
Phone(952) 746-5350
Sole ProprietorYes
Enumeration DateMarch 9, 2026
Last NPPES UpdateSeptember 4, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 4, 2026
✔ NPI 1407702715 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
Licenses✔ Licensed in WI · 1549140✔ Licensed in MN · LBA1074
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.
901 CALEDONIA ST, La Crosse, WI 54603
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Other Providers at the Same Location NPPES 20

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

CORINA M COLON BCBA
Behavior Analyst
901 CALEDONIA ST
LA CROSSE, WI 54603
La Crosse County (608) 785-4100
CARRIE HOWARD
Behavior Technician
901 CALEDONIA ST
LA CROSSE, WI 54603
La Crosse County (952) 746-5350
NATASHA LYNN KOMPERUD
Behavior Technician
901 CALEDONIA ST
LA CROSSE, WI 54603
La Crosse County (952) 746-5350
EBONEE ROSE CUNNINGHAM
Behavior Technician
901 CALEDONIA ST
LA CROSSE, WI 54603
La Crosse County (608) 785-4100
MICHAEL VEENHUIS
Behavior Technician
901 CALEDONIA ST
LA CROSSE, WI 54603
La Crosse County (952) 746-5350
EMMA MARIE LOADER
Behavior Technician
901 CALEDONIA ST
LA CROSSE, WI 54603
La Crosse County (608) 785-4100
CLARISSA JEAN STIEFVATER
Behavior Technician
901 CALEDONIA ST
LA CROSSE, WI 54603
La Crosse County (608) 785-4100
SHELBY KATHRYN HORNBERG
Behavior Technician
901 CALEDONIA ST
LA CROSSE, WI 54603
La Crosse County (608) 785-4100

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 Derek Pirrung's NPI number?

The NPI number for Derek Pirrung is 1407702715. It was assigned to this individual provider in the NPPES registry on March 9, 2026.

Where is Derek Pirrung located?

Derek Pirrung practices at 901 Caledonia St, La Crosse, WI 54603. The listed phone number is (952) 746-5350.

What is Derek Pirrung'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 Derek Pirrung was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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.