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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.

NESSA ISEULT MAGE BCBA
NPI 1023482643
Behavior Analyst in Centennial, CO

Active since November 19, 2015
9000 E NICHOLS AVE STE 100, CENTENNIAL, CO 80112(720) 706-3396 Get Directions Write a Review

NPPES record last updated: September 10, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 10, 2026, Mar 11, 2026, Feb 4, 2025 and 2 more (5 updates tracked since 2015).

About Nessa Iseult Mage Bcba NPPES

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

NESSA ISEULT MAGE BCBA (NPI 1023482643) is an individual behavior analyst provider in Centennial, Colorado, licensed in Colorado (10000612) and active in the NPI registry since November 2015.

NPPES Registry Identity

NPI1023482643
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameNESSA ISEULT MAGECredential: BCBA
Location Address9000 E NICHOLS AVE STE 100Centennial, CO 80112-3429
Mailing Address9000 E Nichols Ave Ste 100Centennial, CO 80112-3429 · (720) 706-3396
Phone(720) 706-3396
Sole ProprietorNo
Enumeration DateNovember 19, 2015
Last NPPES UpdateSeptember 10, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2026
✔ NPI 1023482643 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 CO · 10000612
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.
9000 E NICHOLS AVE STE 100, Centennial, CO 80112
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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.

LAUREN ASHLEY MAEDER MS, OTR/L
Occupational Therapist
9000 E NICHOLS AVE STE 100
CENTENNIAL, CO 80112
Arapahoe County (720) 706-3396
CASSANDRA LYNNE ELEY MOT, OTR
Occupational Therapist
9000 E NICHOLS AVE STE 100
CENTENNIAL, CO 80112
Arapahoe County (720) 706-3396
CONNOR DONNELLY CCC-SLP
Speech-Language Pathologist
9000 E NICHOLS AVE STE 100
CENTENNIAL, CO 80112
Arapahoe County (720) 706-3396
MS. CARLY JOY MCCANCE MOT, OTR/L
Occupational Therapist (Pediatrics)
9000 E NICHOLS AVE STE 100
CENTENNIAL, CO 80112
Arapahoe County (720) 706-3396
SAMANTHA MELLO MA CCC-SLP
Speech-Language Pathologist
9000 E NICHOLS AVE STE 100
CENTENNIAL, CO 80112
Arapahoe County (860) 659-7835
MELISSA CLARA
Behavior Analyst
9000 E NICHOLS AVE STE 100
CENTENNIAL, CO 80112
Arapahoe County (720) 706-3396
ERICA WILSON OTD, OTR/L
Occupational Therapist
9000 E NICHOLS AVE STE 100
CENTENNIAL, CO 80112
Arapahoe County (720) 706-3396
SOPHIA OLSON
Behavior Analyst
9000 E NICHOLS AVE STE 100
CENTENNIAL, CO 80112
Arapahoe County (720) 706-3396

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 Nessa Mage's NPI number?

The NPI number for Nessa Mage is 1023482643. It was assigned to this individual provider in the NPPES registry on November 19, 2015.

Where is Nessa Mage located?

Nessa Mage practices at 9000 E Nichols Ave Ste 100, Centennial, CO 80112. The listed phone number is (720) 706-3396.

What is Nessa Mage's specialty?

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

What insurance does Nessa Mage accept?

Health plans from Anthem Blue Cross and Blue Shield list Nessa Mage 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 Nessa Mage was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.