Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1780519165 Individual Practitioner Male Practitioner

Michael Duffey

Assistant Behavior Analyst • Napa, CA

Professional Overview & Biography Verified Profile Summary

Michael Duffey is a registered healthcare professional specializing in Assistant Behavior Analyst in Napa, CA. Practice services are available at 3419 VALLE VERDE DR under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

3419 Valle Verde Dr

Napa, CA 945582414

Telephone 7072998250
Fax 7076358215
Associated Practice Facility / Clinic
🏢 Napa Healthy Aging Institute Facility NPI 1669734471

Specialty Benchmarks & Practice Insights

Comparative analytics for Assistant Behavior Analyst in Napa, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 10.2 Yrs
Regional Practice Density
17 Specialists

Practicing in Napa, CA (2662 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: 2026-06-16
Assistant Behavior Analyst Primary Specialty

NUCC Taxonomy Code: 106E00000X

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.

Practice Associates & Co-Workers

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

40 Associated Practitioners
Kristen Fukuda

Behavior Technician

NPI 1003509233
Mirian Gonzalez

Behavior Technician

NPI 1003514613
Charlene Blount

Behavior Technician

NPI 1003596255
Jeriemae Samaniego

Behavior Technician

NPI 1003680596
Yelena Lepekhina

Behavior Technician

NPI 1003759655
Hayley Stephens

Behavior Technician

NPI 1003769415

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active June 16, 2026

NPI status registered as active in NPPES database

📍
Updated Practice Location June 16, 2026

Registered at 3419 VALLE VERDE DR, NAPA, CA 945582414 (Tel: 7072998250)

📍
Updated Business Mailing Address June 16, 2026

Registered at 3419 VALLE VERDE DR, NAPA, CA 945582414 (Tel: 7072998250)

👤
Provider Name / Credentials Updated June 16, 2026

Recorded as MICHAEL DUFFEY

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 16, 2026

Assistant Behavior Analyst

🟢
Initial NPI Registration & Enumeration June 16, 2026

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: 1780519165
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 16, 2026
Last Update: June 16, 2026
Sole Proprietor: No

Mailing Address

3419 Valle Verde Dr

Napa, CA 945582414

Phone: 7072998250

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.