Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1679705388 Individual Practitioner Male Practitioner

Dr. Thomas Charles Duke , PhD

Psychologist • Pasadena, CA

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Duke, PhD is a registered healthcare professional specializing in Psychologist in Pasadena, CA. Practice services are available at 299 N EUCLID AVE STE 500 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

299 N Euclid Ave Ste 500

Pasadena, CA 911011468

Telephone 6263446732
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Pasadena, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 29.4 Yrs
State Avg: 24.2 Yrs
Regional Practice Density
148 Specialists

Practicing in Pasadena, CA (7695 Statewide)

Telehealth Adoption Rate
5.4% 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: 2026-02-13
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License CA 28069

A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

Practice Associates & Co-Workers

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

3 Associated Practitioners
Matthew Hoard

Student in an Organized Health Care Education/Training Program

NPI 1184358533
Dr. Jonathan Doctorian , PhD

Psychologist - Clinical

NPI 1194503490

Doctor of Philosophy (Ph.D.)

Dr. David Lorentzen , PsyD

Psychologist - Clinical

NPI 1881739175

Doctor of Psychology (Psy.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location April 12, 2024

Registered at 299 N EUCLID AVE STE 500, PASADENA, CA 911011468 (Tel: 6263446732)

📍
Updated Business Mailing Address April 12, 2024

Registered at 299 N EUCLID AVE STE 500, PASADENA, CA 911011468 (Tel: 6263446732)

NPI Profile Active March 21, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location March 21, 2016

Registered at 427 S MARENGO AVE STE 6, PASADENA, CA 911013134 (Tel: 6263446732)

📍
Updated Business Mailing Address March 21, 2016

Registered at 427 S MARENGO AVE STE 6, PASADENA, CA 911013134 (Tel: 6263446732)

👤
Provider Name / Credentials Updated March 21, 2016

Recorded as THOMAS DUKE, PH.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 21, 2016

Psychologist (License #28069 in CA)

🟢
Initial NPI Registration & Enumeration August 13, 2009

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: 1679705388
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 13, 2009
Last Update: February 13, 2026
Sole Proprietor: No

Mailing Address

299 N Euclid Ave Ste 500

Pasadena, CA 911011468

Phone: 6263446732

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.