Marc Matsui
NPI 1932284742 · Physician Assistant · Seattle, WA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Matsui is a Physician Assistant provider in Seattle, WA (NPI 1932284742).
Provider details
- NPI number
- 1932284742
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- PA10003969 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-10-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marc Matsui's NPI number?
- Marc Matsui's National Provider Identifier (NPI) is 1932284742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Matsui's specialty?
- Marc Matsui is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marc Matsui located?
- Marc Matsui's practice location on file with NPPES is University of Washington Medical Ctr, Seattle, WA 98195-0001.
- What is Marc Matsui's phone number?
- The practice phone number listed in the NPPES registry for Marc Matsui is (206) 288-1000.
- Does Marc Matsui accept Medicare?
- Marc Matsui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Matsui's NPI active?
- Yes — Marc Matsui's NPI (1932284742) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.