Eastside Internal Medicine PLLC
NPI 1023165594 · Medical Specialty Clinic/Center · Kirkland, WA
Eastside Internal Medicine PLLC is a Medical Specialty Clinic/Center organization in Kirkland, WA (NPI 1023165594).
Provider details
- NPI number
- 1023165594
- Entity type
- Organization
- Primary specialty
- Medical Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Douglas Portelance, MD President(425) 899-6700
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
19 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
Registry dates
- Enumerated
- 2007-01-05
- Last updated
- 2007-12-18
Frequently asked questions
- What is Eastside Internal Medicine PLLC's NPI number?
- Eastside Internal Medicine PLLC's National Provider Identifier (NPI) is 1023165594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Eastside Internal Medicine PLLC?
- Eastside Internal Medicine PLLC is classified in the NPPES registry as Medical Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Eastside Internal Medicine PLLC located?
- Eastside Internal Medicine PLLC's practice location on file with NPPES is 12333 Ne 120th Ln. Ste 310, Kirkland, WA 98034.
- What is Eastside Internal Medicine PLLC's phone number?
- The practice phone number listed in the NPPES registry for Eastside Internal Medicine PLLC is (425) 899-6700.
- Who is the authorized official for Eastside Internal Medicine PLLC?
- The authorized official listed on Eastside Internal Medicine PLLC's NPPES record is Douglas Portelance, MD President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Eastside Internal Medicine PLLC's NPI active?
- Yes — Eastside Internal Medicine PLLC's NPI (1023165594) is active in the NPPES registry as of the last update on 2007-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.