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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MISS ALLIE GRACE SIERDSMA
NPI 1104740984
Assistant Behavior Analyst in Modesto, CA

Active since August 05, 2026
2100 STANDIFORD AVE STE 12180, MODESTO, CA 95350(855) 832-6727 Get Directions Write a Review

NPPES record added: August 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Miss Allie Grace Sierdsma NPPES

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

MISS ALLIE GRACE SIERDSMA (NPI 1104740984) is an individual assistant behavior analyst provider in Modesto, California and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1104740984
Entity TypeIndividualFemale
Primary Taxonomy106E00000X
Provider Legal NameMISS ALLIE GRACE SIERDSMA
Location Address2100 STANDIFORD AVE STE 12180Modesto, CA 95350-6522
Mailing Address11545 Echo LnHanford, CA 93230-6320 · (559) 836-1820
Phone(855) 832-6727
Sole ProprietorYes
Enumeration DateAugust 5, 2026
NPPES CertifiedAugust 5, 2026
✔ NPI 1104740984 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAssistant Behavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code106E00000X
Definition
An assistant behavior analyst is qualified by Behavior Analyst Certification Board certification and/or a state-issued license or credential in behavior analysis to practice under the supervision of an appropriately credentialed professional behavior analyst. An assistant behavior analyst delivers services consistent with the dimensions of applied behavior analysis and supervision requirements defined in state laws or regulations and/or national certification standards. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing behavior-analytic treatment plans, training and supervising others in implementation of components of treatment plans, and direct implementation of treatment plans.
2100 STANDIFORD AVE STE 12180, Modesto, CA 95350
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

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

SANPREET KAUR
Behavior Technician
2100 STANDIFORD AVE STE 12180
MODESTO, CA 95350
Stanislaus County (916) 865-9388

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 Allie Sierdsma's NPI number?

The NPI number for Allie Sierdsma is 1104740984. It was assigned to this individual provider in the NPPES registry on August 5, 2026.

Where is Allie Sierdsma located?

Allie Sierdsma practices at 2100 Standiford Ave Ste 12180, Modesto, CA 95350. The listed phone number is (855) 832-6727.

What is Allie Sierdsma's specialty?

The primary specialty registered for this NPI is Assistant Behavior Analyst with taxonomy code 106E00000X.

When was this NPI record last updated?

The NPPES record for Allie Sierdsma was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.