What is Walter Stefan's NPI number?

Walter Stefan's National Provider Identifier (NPI) is 1013370428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Walter Stefan's specialty?

Walter Stefan is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).

Where is Walter Stefan located?

Walter Stefan's practice location on file with NPPES is 11035 Ne Sandy Blvd, Portland, OR 97220-2553.

What is Walter Stefan's phone number?

The practice phone number listed in the NPPES registry for Walter Stefan is (503) 258-4200.

Is Walter Stefan's NPI active?

Yes — Walter Stefan's NPI (1013370428) is active in the NPPES registry as of the last update on 2016-04-02.

IndividualActive

Walter Stefan

NPI 1013370428 · Case Manager/Care Coordinator · Portland, OR

Walter Stefan is a Case Manager/Care Coordinator provider in Portland, OR (NPI 1013370428).

Provider details

NPI number: 1013370428
Entity type: Individual
Primary specialty: Case Manager/Care CoordinatorOther Service Providers
Sex: Male
Sole proprietor: No

Practice location

11035 Ne Sandy Blvd

Portland, OR 97220-2553

Phone: (503) 258-4200

Street-level locationGet directions

More OR providers

Mailing address

11035 Ne Sandy Blvd

Portland, OR 97220-2553

Specialties & taxonomies

Case Manager/Care CoordinatorPrimary171M00000X
Other Service Providers

Profile Score

Established profile(66/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
10 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2016-04-02
Last updated: 2016-04-02

Frequently asked questions

What is Walter Stefan's NPI number?: Walter Stefan's National Provider Identifier (NPI) is 1013370428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Walter Stefan's specialty?: Walter Stefan is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
Where is Walter Stefan located?: Walter Stefan's practice location on file with NPPES is 11035 Ne Sandy Blvd, Portland, OR 97220-2553.
What is Walter Stefan's phone number?: The practice phone number listed in the NPPES registry for Walter Stefan is (503) 258-4200.
Is Walter Stefan's NPI active?: Yes — Walter Stefan's NPI (1013370428) is active in the NPPES registry as of the last update on 2016-04-02.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions