Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1962509307 Individual Practitioner Female Practitioner

Dr. Ruth A Herman-Dunn , PhD

Psychologist • Seattle, WA

Professional Overview & Biography Verified Profile Summary

Dr. Ruth Herman-Dunn, PhD is a registered healthcare professional specializing in Psychologist in Seattle, WA. Practice services are available at 4700 42ND AVE SW under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

4700 42nd Ave Sw
Ste 540

Seattle, WA 981164561

Telephone 2069371186
Associated Practice Facility / Clinic
🏢 Nw Communication Connections Facility NPI 1407104649

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Seattle, WA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 20.5 Yrs
State Avg: 21.7 Yrs
Regional Practice Density
322 Specialists

Practicing in Seattle, WA (1137 Statewide)

Telehealth Adoption Rate
6.2% 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: 2026-01-29
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License WA PY1852

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

13 Associated Practitioners
Virginia Mcdonagh , PT

Physical Therapist

NPI 1013029685

Physical Therapist

Christopher Wagner

Dentist - General Practice

NPI 1023562907
Katsuko Tanaka , ARNP

Registered Nurse - Psychiatric/Mental Health, Adult

NPI 1083717904

Advanced Registered Nurse Practitioner

Colin Naughton , CDP

Counselor - Addiction (Substance Use Disorder)

NPI 1134379647
Rebecca Lunde

Physical Therapist

NPI 1225688740
Dr. Phung Pham , DDS

Dentist - General Practice

NPI 1265588586

Doctor of Dental Surgery

Career & Practice History Timeline

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

12 Historical Events
📍
Updated Business Mailing Address January 29, 2026

Registered at 4700 42ND AVE SW STE 540, SEATTLE, WA 981164561 (Tel: 2062900315)

NPI Profile Active October 03, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location October 03, 2017

Registered at 4700 42ND AVE SW, STE 540, SEATTLE, WA 981164561 (Tel: 2069371186)

📍
Updated Business Mailing Address October 03, 2017

Registered at 4700 42ND AVE SW, STE 540, SEATTLE, WA 981164561 (Tel: 2069371186)

👤
Provider Name / Credentials Updated October 03, 2017

Recorded as RUTH HERMAN-DUNN, PH.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 03, 2017

Psychologist (License #PY1852 in WA)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 4850 CALIFORNIA AVE SW, SUITE 102, SEATTLE, WA 981164400 (Tel: 2069371186)

📍
Updated Business Mailing Address July 08, 2007

Registered at 4850 CALIFORNIA AVE SW, SUITE 102, SEATTLE, WA 981164400 (Tel: 2069371186)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as RUTH HERMAN-DUNN, PH.D.

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

Psychologist (License #PY1852 in WA)

🟢
Initial NPI Registration & Enumeration September 20, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1962509307
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 20, 2006
Last Update: January 29, 2026
Sole Proprietor: Yes

Mailing Address

4700 42nd Ave Sw Ste 540

Seattle, WA 981164561

Phone: 2062900315

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.