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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.

JOSSELIN A MONTELLANO
NPI 1255918264
Behavior Analyst in Santa Fe, NM

Active since March 25, 2021
1421 LUISA ST STE E, SANTA FE, NM 87505(844) 873-4664 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2026, Mar 25, 2021 (2 updates tracked since 2021).

About Josselin A Montellano NPPES

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

JOSSELIN A MONTELLANO (NPI 1255918264) is an individual behavior analyst provider in Santa Fe, New Mexico and active in the NPI registry since March 2021. She maintains a secondary practice location in Santa Fe.

NPPES Registry Identity

NPI1255918264
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameJOSSELIN A MONTELLANO
Location Address1421 LUISA ST STE ESanta Fe, NM 87505-4073
Mailing Address1421 Luisa St Ste ESanta Fe, NM 87505-4073 · (844) 873-4664
Phone(844) 873-4664
Sole ProprietorNo
Enumeration DateMarch 25, 2021
Last NPPES UpdateOctober 5, 20262 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1255918264 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedBehavior TechnicianTaxonomy 106S00000X
1421 LUISA ST STE E, Santa Fe, NM 87505
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Secondary Practice Location 1

Location 14001 Office Court Dr Ste 706Santa Fe, NM 87507-4958 · Phone (505) 395-9611

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Other Providers at the Same Location NPPES 2

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

MS. ISABELLE SVET SCHUMAKER
Behavior Technician
1421 LUISA ST STE E
SANTA FE, NM 87505
Santa Fe County (310) 343-5189
YOVANNA SABINA ESTRADA AUZ
Behavior Technician
1421 LUISA ST STE E
SANTA FE, NM 87505
Santa Fe County (415) 616-9541

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 Josselin Montellano's NPI number?

The NPI number for Josselin Montellano is 1255918264. It was assigned to this individual provider in the NPPES registry on March 25, 2021.

Where is Josselin Montellano located?

Josselin Montellano practices at 1421 Luisa St Ste E, Santa Fe, NM 87505. The listed phone number is (844) 873-4664.

What is Josselin Montellano's specialty?

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

What insurance does Josselin Montellano accept?

Health plans from UnitedHealthcare list Josselin Montellano 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 Josselin Montellano was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.