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: July 19, 2026.

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

  • Individual
  • Male
  • Counselor
  • Addiction (Substance Use Disorder)

About MATTHEW NISWANDER

This page provides the complete NPI Profile along with additional information for Matthew Niswander, a provider established in Portland, Oregon with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1174333272 assigned on January 2025. The practitioner's primary taxonomy code is 101YA0400X with license number T-25-5158 (OR). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1174333272 Verify this NPI
Provider Name
MATTHEW DAVID NISWANDER
Gender
Male
Entity Type
Individual
Location Address
10564 SE WASHINGTON ST PORTLAND, OR 97216
Location Phone
(503) 228-9229
Mailing Address
19565 RIVER RD APT 61 GLADSTONE, OR 97027
Mailing Phone
(503) 388-1203
Is Sole Proprietor?
No
Enumeration Date
01-10-2025
Last Update Date
06-24-2025
Code Navigator

A Substance Abuse or Addiction Counselor like Matthew Niswander advices patients who experience alcoholism, drug addiction, eating disorders, mental health issues, or other mental or behavioral problems. Substance Abuse counselors provide treatment and support to help clients recover from addiction or modify problem behaviors. Many counselors incorporate the principles of 12-step programs, such as Alcoholics Anonymous (AA). They educate clients how to cope with stress and life’s issues in ways that help them recover. Counselors also help patients improve their personal relationships and find ways to discuss their addiction or other problems with family and friends.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Counselor Addiction (Substance Use Disorder)

Taxonomy Code
101YA0400X
Type
Behavioral Health & Social Service Providers
License No.
T-25-5158
License State
OR

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1175T00000XOther Service Providers

Peer Specialist

24-CRM-3982 (OR)

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Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Counselor (Addiction (Substance Use Disorder))
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Counselor (Addiction (Substance Use Disorder))
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Counselor (Addiction (Substance Use Disorder))
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Counselor (Addiction (Substance Use Disorder))
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Counselor (Addiction (Substance Use Disorder))
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Peer Specialist
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Counselor (Addiction (Substance Use Disorder))
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Peer Specialist
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Peer Specialist
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Counselor (Addiction (Substance Use Disorder))
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Peer Specialist
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Peer Specialist
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Counselor (Mental Health)
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Peer Specialist
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Counselor (Mental Health)
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Case Management
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Peer Specialist
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Peer Specialist
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Peer Specialist
10564 SE WASHINGTON ST
PORTLAND, OR 97216
Peer Specialist
10564 SE WASHINGTON ST
PORTLAND, OR 97216

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1174333272, enumerated as an "individual" on January 10, 2025.

The provider is located at 10564 SE WASHINGTON ST PORTLAND, OR 97216 and the phone number is (503) 228-9229.

Counselor with taxonomy code 101YA0400X and a focus in Addiction (Substance Use Disorder).