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OLIVIA MELISSA SIMONSEN
NPI 1942093844
Counselor - Professional in Tigard, OR

Active since May 23, 2025
9600 SW OAK ST STE 500&520, TIGARD, OR 97223(503) 624-2600 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 11, 2025, Jun 4, 2025, May 23, 2025 (3 updates tracked since 2025).

About Olivia Melissa Simonsen NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OLIVIA MELISSA SIMONSEN (NPI 1942093844) is an individual professional provider in Tigard, Oregon, licensed in Oregon (R11670) and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1942093844
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameOLIVIA MELISSA SIMONSEN
Location Address9600 SW OAK ST STE 500&520Tigard, OR 97223-6583
Mailing Address9600 Sw Oak St Ste 500&520Tigard, OR 97223-6583 · (503) 624-2600
Phone(503) 624-2600
Sole ProprietorNo
Enumeration DateMay 23, 2025
Last NPPES UpdateDecember 11, 20253 updates tracked since enumeration
NPPES CertifiedDecember 11, 2025
✔ NPI 1942093844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in OR · R11670
9600 SW OAK ST STE 500&520, Tigard, OR 97223
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Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CAEDY JANAE YOUNG PH.D.
Psychologist
9600 SW OAK ST STE 500&520
TIGARD, OR 97223
Washington County (971) 364-8069
JUSTIN KEMBLE QMHP
Social Worker (Clinical)
9600 SW OAK ST STE 500&520
TIGARD, OR 97223
Washington County (971) 364-8069
RACHEL RYAN
Counselor (Professional)
9600 SW OAK ST STE 500&520
TIGARD, OR 97223
Washington County (971) 364-8069
COURTNEY BLADEN MA
Marriage & Family Therapist
9600 SW OAK ST STE 500&520
TIGARD, OR 97223
Washington County (503) 624-2600
ANDREYA ORTEGA QMHP-R
Counselor (Mental Health)
9600 SW OAK ST STE 500&520
TIGARD, OR 97223
Washington County (503) 624-2600
MS. JUDITH JODI MCINTOSH MFT
Marriage & Family Therapist
9600 SW OAK ST STE 500&520
TIGARD, OR 97223
Washington County (503) 894-3556
AMAYA CHAVEZ-AYERS PCA
Counselor (Professional)
9600 SW OAK ST STE 500&520
TIGARD, OR 97223
Washington County (503) 624-2600

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Olivia Simonsen's NPI number?

The NPI number for Olivia Simonsen is 1942093844. It was assigned to this individual provider in the NPPES registry on May 23, 2025.

Where is Olivia Simonsen located?

Olivia Simonsen practices at 9600 SW Oak St Ste 500&520, Tigard, OR 97223. The listed phone number is (503) 624-2600.

What is Olivia Simonsen's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Olivia Simonsen was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.