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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

HAILEY SUE ELIZABETH GRELL BCBA
NPI 1215712799
Behavior Analyst in Clear Lake, IA

Active since August 31, 2023
1020 BUDDY HOLLY PL, CLEAR LAKE, IA 50428(641) 352-7671 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 16, 2026, Aug 31, 2023 (2 updates tracked since 2023).

About Hailey Sue Elizabeth Grell Bcba NPPES

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

HAILEY SUE ELIZABETH GRELL BCBA (NPI 1215712799) is an individual behavior analyst provider in Clear Lake, Iowa and active in the NPI registry since August 2023.

NPPES Registry Identity

NPI1215712799
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameHAILEY SUE ELIZABETH GRELLCredential: BCBA
Location Address1020 BUDDY HOLLY PLClear Lake, IA 50428-3735
Mailing Address1020 Buddy Holly PlClear Lake, IA 50428-3735 · (641) 352-7671
Phone(641) 352-7671
Sole ProprietorNo
Enumeration DateAugust 31, 2023
Last NPPES UpdateJuly 16, 20262 updates tracked since enumeration
NPPES CertifiedJuly 16, 2026
✔ NPI 1215712799 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
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.
1020 BUDDY HOLLY PL, Clear Lake, IA 50428
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Other Providers at the Same Location NPPES 7

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

SARA A MISHEK
Behavior Analyst
1020 BUDDY HOLLY PL
CLEAR LAKE, IA 50428
Cerro Gordo County (641) 231-2984
PRESTYN WITTMAN
Behavior Technician
1020 BUDDY HOLLY PL
CLEAR LAKE, IA 50428
Cerro Gordo County (641) 352-7671
CARSON JAMES KERN
Behavior Technician
1020 BUDDY HOLLY PL
CLEAR LAKE, IA 50428
Cerro Gordo County (641) 352-7671
ALEXIS FRIEND
Behavior Technician
1020 BUDDY HOLLY PL
CLEAR LAKE, IA 50428
Cerro Gordo County (641) 352-7671
MAKENZIE JO GUDMONSON
Behavior Technician
1020 BUDDY HOLLY PL
CLEAR LAKE, IA 50428
Cerro Gordo County (641) 352-7671
NOELLE LYNN ZOBECK BA
Behavior Technician
1020 BUDDY HOLLY PL
CLEAR LAKE, IA 50428
Cerro Gordo County (641) 352-7671
DEZARAE SERAH TILL
Behavior Technician
1020 BUDDY HOLLY PL
CLEAR LAKE, IA 50428
Cerro Gordo County (952) 767-4200

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 Hailey Grell's NPI number?

The NPI number for Hailey Grell is 1215712799. It was assigned to this individual provider in the NPPES registry on August 31, 2023.

Where is Hailey Grell located?

Hailey Grell practices at 1020 Buddy Holly Pl, Clear Lake, IA 50428. The listed phone number is (641) 352-7671.

What is Hailey Grell'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 Hailey Grell was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.