What is Walter Larsen's NPI number?

Walter Larsen's National Provider Identifier (NPI) is 1982670162, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Walter Larsen's specialty?

Walter Larsen is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Walter Larsen located?

Walter Larsen's practice location on file with NPPES is 1414 Nw Northrup St, Portland, OR 97209-2798.

What is Walter Larsen's phone number?

The practice phone number listed in the NPPES registry for Walter Larsen is (503) 223-3104.

Is Walter Larsen's NPI active?

Yes — Walter Larsen's NPI (1982670162) is active in the NPPES registry as of the last update on 2010-07-19.

IndividualActive

Walter Larsen, M.D.

NPI 1982670162 · Specialist · Portland, OR

Walter Larsen, M.D. is a Specialist provider in Portland, OR (NPI 1982670162).

Provider details

NPI number: 1982670162
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: M.D.
Sex: Male
Sole proprietor: No
License: OR 6013 (OR)

Specialties & taxonomies

SpecialistPrimary174400000XLicense OR 6013 (OR)
Other Service Providers

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% 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.

Practice location

1414 Nw Northrup St

Suite 600

Portland, OR 97209-2798

Phone: (503) 223-3104

Fax: (503) 223-4619

Street-level locationGet directions

More OR providers

Mailing address