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MR. JAMES WILLIAM SIEFERT
NPI 1467661389
Case Manager/Care Coordinator in Portland, OR

Active since May 21, 2007
907 NE 47TH AVE, 3, PORTLAND, OR 97213(360) 513-7382 Get Directions Write a Review

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

About Mr. James William Siefert NPPES

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

MR. JAMES WILLIAM SIEFERT (NPI 1467661389) is an individual case manager/care coordinator provider in Portland, Oregon and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1467661389
Entity TypeIndividualMale
Primary Taxonomy171M00000X
Provider Legal NameMR. JAMES WILLIAM SIEFERT
Location Address907 NE 47TH AVE, 3Portland, OR 97213-2225
Mailing Address907 Ne 47th Ave Apt 3Portland, OR 97213-2225 · (360) 513-7382
Phone(360) 513-7382
Sole ProprietorYes
Enumeration DateMay 21, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1467661389 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCase Manager/Care CoordinatorOther Service Providers
Taxonomy Code171M00000X
Definition
A person who provides case management services and assists an individual in gaining access to needed medical, social, educational, and/or other services. The person has the ability to provide an assessment and review of completed plan of care on a periodic basis. This person is also able to take collaborative action to coordinate the services with other providers and monitor the enrollee's progress toward the cost-effective achievement of objectives specified in the plan of care. Credentials may vary from an experience in the fields of psychology, social work, rehabilitation, nursing or a closely related human service field, to a related Assoc of Arts Degree or to nursing credentials. Some states may require certification in case management.
Also ListedAdult CompanionTaxonomy 372600000X
907 NE 47TH AVE, Portland, OR 97213
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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 James Siefert's NPI number?

The NPI number for James Siefert is 1467661389. It was assigned to this individual provider in the NPPES registry on May 21, 2007.

Where is James Siefert located?

James Siefert practices at 907 NE 47th Ave 3, Portland, OR 97213. The listed phone number is (360) 513-7382.

What is James Siefert's specialty?

The primary specialty registered for this NPI is Case Manager/Care Coordinator with taxonomy code 171M00000X.

When was this NPI record last updated?

The NPPES record for James Siefert was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.