OrganizationActive
Costco Wholesale Corporation
NPI 1891679734 · Eyewear Supplier · Issaquah, WA
Costco Wholesale Corporation is a Eyewear Supplier organization in Issaquah, WA (NPI 1891679734).
Provider details
- NPI number
- 1891679734
- Entity type
- Organization
- Primary specialty
- Eyewear SupplierSuppliers
- Parent organization
- Costco Wholesale Corporation
- Organization subpart
- Yes
- Authorized official
- Erin Sieglock, Avp Optical(425) 313-8087
Specialties & taxonomies
Suppliers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
999 Lake Dr
Issaquah, WA 98027-8990
Phone: (425) 313-8100
Street-level locationGet directions
Mailing address
Po Box 35005
Seattle, WA 98124-3405
Other names (DBA / former)
- Doing business as
- Costco Optical #99
Registry dates
- Enumerated
- 2025-08-04
- Last updated
- 2025-08-04
- Certified
- 2025-08-04
Frequently asked questions
- What is Costco Wholesale Corporation's NPI number?
- Costco Wholesale Corporation's National Provider Identifier (NPI) is 1891679734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Costco Wholesale Corporation?
- Costco Wholesale Corporation is classified in the NPPES registry as Eyewear Supplier (Suppliers).
- Where is Costco Wholesale Corporation located?
- Costco Wholesale Corporation's practice location on file with NPPES is 999 Lake Dr, Issaquah, WA 98027-8990.
- What is Costco Wholesale Corporation's phone number?
- The practice phone number listed in the NPPES registry for Costco Wholesale Corporation is (425) 313-8100.
- Who is the authorized official for Costco Wholesale Corporation?
- The authorized official listed on Costco Wholesale Corporation's NPPES record is Erin Sieglock, Avp Optical. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Costco Wholesale Corporation's NPI active?
- Yes — Costco Wholesale Corporation's NPI (1891679734) is active in the NPPES registry as of the last update on 2025-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.