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Active NPI 1962470674 Individual Practitioner Female Practitioner

Dr. Nancy Thordarson , MD

Pediatrics • Marysville, WA

Professional Overview & Biography Verified Profile Summary

Dr. Nancy Thordarson, MD is a registered healthcare professional specializing in Pediatrics in Marysville, WA. Practice services are available at 4420 76TH ST NE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

4420 76th St Ne

Marysville, WA 982703726

Telephone 3606517492
Associated Practice Facility / Clinic
🏢 Optum Care Washington Pllc Facility NPI 1023188109

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Marysville, WA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 11.0 Yrs
State Avg: 18.8 Yrs
Regional Practice Density
21 Specialists

Practicing in Marysville, WA (1802 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: 2026-05-14
Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License WA MD00025700

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Practice Associates & Co-Workers

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

7 Associated Practitioners
NPI 1235325663

Doctor of Medicine (M.D.)

Ronnie Okialda , PNP

Nurse Practitioner - Pediatrics

NPI 1265513451

Pediatric Nurse Practitioner

NPI 1275501983

Doctor of Medicine (M.D.)

NPI 1437618790

Doctor of Medicine (M.D.)

NPI 1619361193

Doctor of Medicine (M.D.)

NPI 1629046206

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Business Mailing Address May 14, 2026

Registered at 7600 EVERGREEN WAY, EVERETT, WA 982036421 (Tel: 2068605414)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 27, 2025

Pediatrics (License #MD00025700 in WA)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 08, 2022

Pediatrics (License #00025700 in WA)

NPI Profile Active March 15, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location March 15, 2013

Registered at 4420 76TH ST NE, MARYSVILLE, WA 982703726 (Tel: 3606517492)

📍
Updated Business Mailing Address March 15, 2013

Registered at PO BOX 5127, EVERETT, WA 982065127 (Tel: 4253048431)

👤
Provider Name / Credentials Updated March 15, 2013

Recorded as NANCY THORDARSON, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 15, 2013

Pediatrics (License #25700 in WA)

🟢
Initial NPI Registration & Enumeration March 09, 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: 1962470674
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 09, 2006
Last Update: May 14, 2026
Sole Proprietor: Yes

Mailing Address

7600 Evergreen Way

Everett, WA 982036421

Phone: 2068605414

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.