Kaiser Foundation Health Plan of the Northwest
NPI 1558812107 · General Practice Physician · Portland, OR
Kaiser Foundation Health Plan of the Northwest is a General Practice Physician organization in Portland, OR (NPI 1558812107).
Provider details
- NPI number
- 1558812107
- Entity type
- Organization
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Kaiser Foundation Health Plan of the Northwest
- Organization subpart
- Yes
- Authorized official
- Stephen Barton, Executive Director, Revenue Cycle(503) 813-2440
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
Mailing address
Other names (DBA / former)
- Other name
- Interstate Medical Office Central
- Other name
- Interstate Medical Office Central
Registry dates
- Enumerated
- 2016-10-19
- Last updated
- 2021-06-01
- Certified
- 2021-06-01
Frequently asked questions
- What is Kaiser Foundation Health Plan of the Northwest's NPI number?
- Kaiser Foundation Health Plan of the Northwest's National Provider Identifier (NPI) is 1558812107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Kaiser Foundation Health Plan of the Northwest?
- Kaiser Foundation Health Plan of the Northwest is classified in the NPPES registry as General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Kaiser Foundation Health Plan of the Northwest located?
- Kaiser Foundation Health Plan of the Northwest's practice location on file with NPPES is 3600 N Interstate Ave, Portland, OR 97227-1106.
- What is Kaiser Foundation Health Plan of the Northwest's phone number?
- The practice phone number listed in the NPPES registry for Kaiser Foundation Health Plan of the Northwest is (800) 813-2000.
- Who is the authorized official for Kaiser Foundation Health Plan of the Northwest?
- The authorized official listed on Kaiser Foundation Health Plan of the Northwest's NPPES record is Stephen Barton, Executive Director, Revenue Cycle. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Kaiser Foundation Health Plan of the Northwest's NPI active?
- Yes — Kaiser Foundation Health Plan of the Northwest's NPI (1558812107) is active in the NPPES registry as of the last update on 2021-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.