Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1942093844 Individual Practitioner Female Practitioner

Olivia Melissa Simonsen

Counselor - Professional • Tigard, OR

Professional Overview & Biography Verified Profile Summary

Olivia Simonsen is a registered healthcare professional specializing in Counselor - Professional in Tigard, OR. Practice services are available at 9600 SW OAK ST STE 500&520 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

9600 Sw Oak St Ste 500&520

Tigard, OR 972236583

Telephone 5036242600
Associated Practice Facility / Clinic
🏢 Ronald L Spangler, Md, Pc Facility NPI 1417035767

Specialty Benchmarks & Practice Insights

Comparative analytics for Counselor - Professional in Tigard, OR

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 12.8 Yrs
State Avg: 13.7 Yrs
Regional Practice Density
75 Specialists

Practicing in Tigard, OR (2601 Statewide)

Telehealth Adoption Rate
1.3% 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: 2025-12-11
Counselor - Professional Primary Specialty

NUCC Taxonomy Code: 101YP2500X

State License OR R11670

Definition to come...

Practice Associates & Co-Workers

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

28 Associated Practitioners
Joan Schultz , LPC

Counselor - Mental Health

NPI 1013092568

Licensed Professional Counselor

Kelly Johnston , MS

Counselor - Professional

NPI 1144301557

Master of Science

NPI 1184713901

Doctor of Philosophy (Ph.D.)

Dr. Karen Dimalanta , PhD

Psychologist - Clinical

NPI 1215026406

Doctor of Philosophy (Ph.D.)

Marcia Michaels

Marriage & Family Therapist

NPI 1225129950
NPI 1225409428

Board Certified Behavior Analyst, Licensed Behavior Analyst

Career & Practice History Timeline

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

10 Historical Events
👤
Provider Name / Credentials Updated December 11, 2025

Recorded as OLIVIA SIMONSEN

📍
Updated Practice Location August 26, 2025

Registered at 9600 SW OAK ST STE 500&520, TIGARD, OR 972236583 (Tel: 5036242600)

📍
Updated Business Mailing Address August 26, 2025

Registered at 9600 SW OAK ST STE 500&520, TIGARD, OR 972236583 (Tel: 5036242600)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 26, 2025

Counselor (License #R11670 in OR)

NPI Profile Active June 04, 2025

NPI status registered as active in NPPES database

📍
Updated Practice Location June 04, 2025

Registered at 1308 E 1ST ST STE 3, NEWBERG, OR 971322942 (Tel: 5037437456)

📍
Updated Business Mailing Address June 04, 2025

Registered at 1308 E 1ST ST STE 3, NEWBERG, OR 971322942 (Tel: 5037437456)

👤
Provider Name / Credentials Updated June 04, 2025

Recorded as OLIVIA NYGREEN

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 04, 2025

Counselor

🟢
Initial NPI Registration & Enumeration May 23, 2025

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: 1942093844
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 23, 2025
Last Update: December 11, 2025
Sole Proprietor: No

Mailing Address

9600 Sw Oak St Ste 500&520

Tigard, OR 972236583

Phone: 5036242600

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.