OrganizationActive
Mason County
NPI 1184832479 · Public Health or Welfare Agency · Shelton, WA
Mason County is a Public Health or Welfare Agency organization in Shelton, WA (NPI 1184832479).
Provider details
- NPI number
- 1184832479
- Entity type
- Organization
- Primary specialty
- Public Health or Welfare AgencyAgencies
- Organization subpart
- No
- Authorized official
- Diana Yu, Health Officer(360) 427-9670
- License
- MD00022826 (WA)
Specialties & taxonomies
Agencies
Profile Score
Detailed profile(90/100 index)
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
303 N 4th St
Shelton, WA 98584-3417
Phone: (360) 427-9670
Fax: (360) 427-7787
Street-level locationGet directions
Mailing address
303 N 4th St
Shelton, WA 98584-3417
Other names (DBA / former)
- Other name
- Mason County Public Health
Registry dates
- Enumerated
- 2007-05-18
- Last updated
- 2008-04-14
Frequently asked questions
- What is Mason County's NPI number?
- Mason County's National Provider Identifier (NPI) is 1184832479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mason County?
- Mason County is classified in the NPPES registry as Public Health or Welfare Agency (Agencies).
- Where is Mason County located?
- Mason County's practice location on file with NPPES is 303 N 4th St, Shelton, WA 98584-3417.
- What is Mason County's phone number?
- The practice phone number listed in the NPPES registry for Mason County is (360) 427-9670.
- Who is the authorized official for Mason County?
- The authorized official listed on Mason County's NPPES record is Diana Yu, Health Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mason County's NPI active?
- Yes — Mason County's NPI (1184832479) is active in the NPPES registry as of the last update on 2008-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.