Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1558767855 Individual Practitioner Female Practitioner

Katharine Daderko

Psychologist • Seattle, WA

Professional Overview & Biography Verified Profile Summary

Katharine Daderko is a registered healthcare professional specializing in Psychologist in Seattle, WA. Practice services are available at 7222 LINDEN AVE N APT A under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

7222 Linden Ave N Apt A

Seattle, WA 981035177

Telephone 2063956405
Associated Practice Facility / Clinic
🏢 Rosalind Oti, Phd, Inc Facility NPI 1275126989

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: 2026-04-30
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

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

2 Associated Practitioners
Dr. Rosalind Oti , PhD

Psychologist - Clinical

NPI 1689983850

Doctor of Philosophy (Ph.D.)

Dr. Amy Bohlander , PhD

Psychologist - Clinical Child & Adolescent

NPI 1790914851

Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location April 30, 2026

Registered at 7222 LINDEN AVE N APT A, SEATTLE, WA 981035177 (Tel: 2063956405)

📍
Updated Business Mailing Address April 30, 2026

Registered at 7222 LINDEN AVE N APT A, SEATTLE, WA 981035177 (Tel: 2063956405)

NPI Profile Active June 01, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location June 01, 2015

Registered at 18500 156TH AVE NE, SUITE 202, WOODINVILLE, WA 980724459 (Tel: 2063956405)

📍
Updated Business Mailing Address June 01, 2015

Registered at 10732 SAND POINT WAY NE, SEATTLE, WA 981256926 (Tel: 2063956405)

👤
Provider Name / Credentials Updated June 01, 2015

Recorded as KATHARINE DADERKO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 01, 2015

Psychologist

🟢
Initial NPI Registration & Enumeration November 13, 2014

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: 1558767855
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 13, 2014
Last Update: April 30, 2026
Sole Proprietor: Yes

Mailing Address

7222 Linden Ave N Apt A

Seattle, WA 981035177

Phone: 2063956405

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.