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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SYDNEY A TOSTENSON
NPI 1003474081
Counselor - Mental Health in Eugene, OR

Active since June 04, 2019
1790 W 11TH AVE STE 200, EUGENE, OR 97402(541) 686-2688 Get Directions Write a Review

NPPES record last updated: September 18, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 18, 2026, Jun 4, 2019 (2 updates tracked since 2019).

About Sydney A Tostenson NPPES

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

SYDNEY A TOSTENSON (NPI 1003474081) is an individual mental health provider in Eugene, Oregon and active in the NPI registry since June 2019.

NPPES Registry Identity

NPI1003474081
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameSYDNEY A TOSTENSON
Location Address1790 W 11TH AVE STE 200Eugene, OR 97402-3871
Mailing Address1030 W 11th Ave Apt 2Eugene, OR 97402-7761 · (541) 315-5277
Phone(541) 686-2688
Sole ProprietorNo
Enumeration DateJune 4, 2019
Last NPPES UpdateSeptember 18, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2026
✔ NPI 1003474081 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
1790 W 11TH AVE STE 200, Eugene, OR 97402
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Other Providers at the Same Location NPPES 20

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

ELIZABETH PEOPLES MS
Counselor (Professional)
1790 W 11TH AVE STE 200
EUGENE, OR 97402
Lane County (541) 484-4428
MR. TONY JACK JOYNER
Counselor (Mental Health)
1790 W 11TH AVE STE 200
EUGENE, OR 97402
Lane County (541) 743-2611
BRIANNA MARIE MCAFEE
Social Worker
1790 W 11TH AVE STE 200
EUGENE, OR 97402
Lane County (541) 790-2540
JESSICA GRACE WOOD
Counselor
1790 W 11TH AVE STE 200
EUGENE, OR 97402
Lane County (541) 686-2688
KELLY ANDREW MOXLEY
Social Worker
1790 W 11TH AVE STE 200
EUGENE, OR 97402
Lane County (541) 686-2688
JOSHUA HIGASHI
Social Worker
1790 W 11TH AVE STE 200
EUGENE, OR 97402
Lane County (541) 686-2688
NICHOLAS AARON FRONEK
Social Worker
1790 W 11TH AVE STE 200
EUGENE, OR 97402
Lane County (541) 686-2688
ANDREA L CHARLES
Social Worker
1790 W 11TH AVE STE 200
EUGENE, OR 97402
Lane County (541) 686-2688

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 Sydney Tostenson's NPI number?

The NPI number for Sydney Tostenson is 1003474081. It was assigned to this individual provider in the NPPES registry on June 4, 2019.

Where is Sydney Tostenson located?

Sydney Tostenson practices at 1790 W 11th Ave Ste 200, Eugene, OR 97402. The listed phone number is (541) 686-2688.

What is Sydney Tostenson's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Sydney Tostenson was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days 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.