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MATTHEW DAVID NISWANDER
NPI 1174333272
Counselor - Addiction (Substance Use Disorder) in Portland, OR

Active since January 10, 2025
10564 SE WASHINGTON ST, PORTLAND, OR 97216(503) 228-9229 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 24, 2025, Jan 10, 2025 (2 updates tracked since 2025).

About Matthew David Niswander NPPES

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

MATTHEW DAVID NISWANDER (NPI 1174333272) is an individual addiction (substance use disorder) provider in Portland, Oregon, licensed in Oregon (T-25-5158) and active in the NPI registry since January 2025.

NPPES Registry Identity

NPI1174333272
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMATTHEW DAVID NISWANDER
Location Address10564 SE WASHINGTON STPortland, OR 97216-2809
Mailing Address19565 River Rd Apt 61Gladstone, OR 97027-2229 · (503) 388-1203
Phone(503) 228-9229
Sole ProprietorNo
Enumeration DateJanuary 10, 2025
Last NPPES UpdateJune 24, 20252 updates tracked since enumeration
NPPES CertifiedJune 24, 2025
✔ NPI 1174333272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in OR · T-25-5158
Also ListedPeer SpecialistTaxonomy 175T00000X · License 24-CRM-3982 (OR)
10564 SE WASHINGTON ST, Portland, OR 97216
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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.

MR. RYAN OTTO MACHERAS CRM
Peer Specialist
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Multnomah County (503) 502-9487
JACOB ERIN SCOTT CADC
Counselor (Addiction (Substance Use Disorder))
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Multnomah County (503) 867-3817
ASHLY ALYCE REED
Counselor (Addiction (Substance Use Disorder))
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Multnomah County (503) 235-8655
MS. MARY ANNETTE ERHART MSW, LISAC, CADC III
Counselor (Mental Health)
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Multnomah County (503) 228-9229
RONDA VANZANT CADC I
Counselor (Addiction (Substance Use Disorder))
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Multnomah County (503) 228-9229
MORGAN VIRGINIA SIMON
Peer Specialist
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Multnomah County (971) 806-0587
DANIEL JAMES SPOTANSKI CRM
Peer Specialist
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Multnomah County (971) 334-2004
ANITA BECK
Counselor (Addiction (Substance Use Disorder))
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Multnomah County (503) 228-9229

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 Matthew Niswander's NPI number?

The NPI number for Matthew Niswander is 1174333272. It was assigned to this individual provider in the NPPES registry on January 10, 2025.

Where is Matthew Niswander located?

Matthew Niswander practices at 10564 SE Washington St, Portland, OR 97216. The listed phone number is (503) 228-9229.

What is Matthew Niswander's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Matthew Niswander was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.