Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1144251471 Individual Practitioner Male Practitioner

Dr. Johnson Chang , PsyD

Psychologist • Tacoma, WA

Professional Overview & Biography Verified Profile Summary

Dr. Johnson Chang, PsyD is a registered healthcare professional specializing in Psychologist in Tacoma, WA. Practice services are available at 9040 JACKSON AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

9040 Jackson Ave

Tacoma, WA 984311336

Telephone 2539825709
Associated Practice Facility / Clinic
🏢 Defense Finance & Actg Serv Facility NPI 1992784144

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Tacoma, WA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 21.5 Yrs
State Avg: 21.7 Yrs
Regional Practice Density
134 Specialists

Practicing in Tacoma, WA (1137 Statewide)

Telehealth Adoption Rate
3.0% 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: 2025-04-25
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License WA PY00003607

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.

Psychologist

NUCC Taxonomy Code: 103T00000X

State License CA PSY19706

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.

Psychologist - Forensic

NUCC Taxonomy Code: 103TF0200X

State License CA PSY

A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.

Psychologist - Group Psychotherapy

NUCC Taxonomy Code: 103TP2701X

State License CA PSY19706

A psychologist who specializes in group psychology and group psychotherapy that is an evidenced-based specialty that prepares group leaders to identify and capitalize on developmental and healing possibilities embedded in the interpersonal/intrapersonal functioning of individual group members as well as collectively for the group. Emphasis is placed on the use of group dynamics to assist and treat individual group members. The specialty is applicable to all age groups, children, adolescents, adults and older adults, for a wide variety of conditions and concerns, and in numerous and diverse settings.

Practice Associates & Co-Workers

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

40 Associated Practitioners
Michael Means , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003154899

Certified Registered Nurse Anesthetist

Dr. Adam Perkins , PhD

Psychologist - Clinical

NPI 1003154972

Doctor of Philosophy (Ph.D.)

NPI 1003264771

Doctor of Physical Therapy

Dr. Kenny Le , MD

Anesthesiology

NPI 1003351842

Doctor of Medicine (M.D.)

Dr. Andrew Irizarry , DNP, CRNA

Nurse Anesthetist, Certified Registered

NPI 1003380429

Doctor of Nursing Practice, Certified Registered Nurse Anesthetist

Matthew Libid , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003406661

Certified Registered Nurse Anesthetist

Career & Practice History Timeline

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

11 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 25, 2025

Psychologist (License #PSY19706 in CA)

📍
Updated Practice Location July 16, 2019

Registered at 9040 JACKSON AVE, TACOMA, WA 984311336 (Tel: 2539825709)

📍
Updated Business Mailing Address July 16, 2019

Registered at 9040A JACKSON AVE, JOINT BASE LEWIS MCCHORD, WA 984311336 (Tel: 2539825709)

👤
Provider Name / Credentials Updated July 16, 2019

Recorded as JOHNSON CHANG, PSYD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 16, 2019

Psychologist (License #PY00003607 in WA)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 10333 EL CAMINO REAL, ATASCADERO, CA 934225808 (Tel: 8054682000)

📍
Updated Business Mailing Address July 08, 2007

Registered at 10333 EL CAMINO REAL, ATASCADERO, CA 934225808 (Tel: 8054682000)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as JOHNSON CHANG, PSY

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Psychologist (License #PSY19706 in CA)

🟢
Initial NPI Registration & Enumeration July 05, 2006

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: 1144251471
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 05, 2006
Last Update: April 25, 2025
Sole Proprietor: No

Mailing Address

9040a Jackson Ave

Joint Base Lewis Mcchord, WA 984311336

Phone: 2539825709

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.