DR. MARGARET KOCH WARREN PHD
NPI 1740499540
Counselor - Mental Health in Portland, OR

Active since May 21, 2007
412 SW 12TH AVENUE, PORTLAND, OR 97205(503) 228-7134(503) 445-0749 Get Directions Write a Review

NPPES record last updated: May 12, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Margaret Koch Warren Phd NPPES

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

DR. MARGARET KOCH WARREN PHD (NPI 1740499540) is an individual mental health provider in Portland, Oregon and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1740499540
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameDR. MARGARET KOCH WARRENCredential: PHD
Location Address412 SW 12TH AVENUEPortland, OR 97205-2329
Mailing Address232 Nw 6th AvenuePortland, OR 97209-3609 · (503) 200-3923 · Fax (503) 241-7419
Fax(503) 445-0749
Sole ProprietorNo
Enumeration DateMay 21, 2007
Last NPPES UpdateMay 12, 2011
NPI 1740499540 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 1695 (OR)
412 SW 12TH AVENUE, Portland, OR 97205

Other Providers at the Same Location NPPES 3

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

Social Worker (Clinical)
412 SW 12TH AVENUE
PORTLAND, OR 97205
Counselor (Mental Health)
412 SW 12TH AVENUE
PORTLAND, OR 97205
Counselor (Mental Health)
412 SW 12TH AVENUE
PORTLAND, OR 97205

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 Margaret Warren's NPI number?

The NPI number for Margaret Warren is 1740499540. It was assigned to this individual provider in the NPPES registry on May 21, 2007.

Where is Margaret Warren located?

Margaret Warren practices at 412 SW 12th Avenue, Portland, OR 97205. The listed phone number is (503) 228-7134.

What is Margaret Warren'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 Margaret Warren was last updated on May 12, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.