Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1629753710 Individual Practitioner Female Practitioner

Sienna Pacheco

Behavior Analyst • Orange, CA

Professional Overview & Biography Verified Profile Summary

Sienna Pacheco is a registered healthcare professional specializing in Behavior Analyst in Orange, CA. Practice services are available at 1100 W TOWN AND COUNTRY RD STE 1250 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1100 W Town And Country Rd Ste 1250

Orange, CA 928684633

Telephone 9493572556
Fax 8555682494
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Behavior Analyst in Orange, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 8.8 Yrs
Regional Practice Density
215 Specialists

Practicing in Orange, CA (20508 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-02-25
Behavior Analyst Primary Specialty

NUCC Taxonomy Code: 103K00000X

State License CA 1-25-84359

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Duaa Al-Khafaji , MS

Behavior Analyst

NPI 1003275835

Master of Science

NPI 1003374703

Master of Science, Board Certified Behavior Analyst

Cynthia Ramirez

Behavior Technician

NPI 1003427451
Geraldine Quinones

Behavior Technician

NPI 1003440157
Raymond Shelley

Behavior Analyst

NPI 1003451907
Michelle Simon

Behavior Technician

NPI 1003472879

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Business Mailing Address February 25, 2026

Registered at 1820 W ORANGEWOOD AVE STE 110, ORANGE, CA 928685056 (Tel: 7146962862)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 25, 2026

Behavior Analyst (License #1-25-84359 in CA)

NPI Profile Active June 16, 2023

NPI status registered as active in NPPES database

📍
Updated Practice Location June 16, 2023

Registered at 1100 W TOWN AND COUNTRY RD STE 1250, ORANGE, CA 928684633 (Tel: 9493572556)

📍
Updated Business Mailing Address June 16, 2023

Registered at 1100 W TOWN AND COUNTRY RD STE 1250, ORANGE, CA 928684633 (Tel: 9493572556)

👤
Provider Name / Credentials Updated June 16, 2023

Recorded as SIENNA PACHECO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 16, 2023

Behavior Technician

🟢
Initial NPI Registration & Enumeration June 16, 2023

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1629753710
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 16, 2023
Last Update: February 25, 2026
Sole Proprietor: No

Mailing Address

1820 W Orangewood Ave Ste 110

Orange, CA 928685056

Phone: 7146962862

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.