Oak Harbor Primary Care PLLC
NPI 1881021905 · Primary Care Clinic/Center · Oak Harbor, WA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oak Harbor Primary Care PLLC is a Primary Care Clinic/Center organization in Oak Harbor, WA (NPI 1881021905).
Provider details
- NPI number
- 1881021905
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Mark Duncan, Partner(360) 929-4936
- License
- 201232264714 (WA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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)
- Doing business as
- North Island Medical
Registry dates
- Enumerated
- 2013-10-03
- Last updated
- 2013-10-03
Frequently asked questions
- What is Oak Harbor Primary Care PLLC's NPI number?
- Oak Harbor Primary Care PLLC's National Provider Identifier (NPI) is 1881021905, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Oak Harbor Primary Care PLLC?
- Oak Harbor Primary Care PLLC is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is Oak Harbor Primary Care PLLC located?
- Oak Harbor Primary Care PLLC's practice location on file with NPPES is 135 South East Ely St., Oak Harbor, WA 98277-9031.
- What is Oak Harbor Primary Care PLLC's phone number?
- The practice phone number listed in the NPPES registry for Oak Harbor Primary Care PLLC is (360) 682-5444.
- Does Oak Harbor Primary Care PLLC accept Medicare?
- Oak Harbor Primary Care PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Oak Harbor Primary Care PLLC?
- The authorized official listed on Oak Harbor Primary Care PLLC's NPPES record is Mark Duncan, Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Oak Harbor Primary Care PLLC's NPI active?
- Yes — Oak Harbor Primary Care PLLC's NPI (1881021905) is active in the NPPES registry as of the last update on 2013-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.