NPIMap

Organization Active NPI

Costco Wholesale Corporation

  • Eyewear Supplier
  • Muskegon, MI
National Provider Identifier
1336028133
Registry record updated Aug 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Eyewear SupplierTaxonomy code 332H00000X
Legal business name
COSTCO WHOLESALE CORPORATION
Practice address
6110 Harvey St
Muskegon, MI 49444-6720
Phone
(425) 313-8100
NPI assigned
Aug 27, 2025
Organization subpart
Yes
Parent organization
COSTCO WHOLESALE CORPORATIONAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Aug 27, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Erin Sieglock Sr.
Title
Avp Optical
Phone
(425) 313-8100

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Eyewear Supplier 332H00000X Primary

Addresses

Primary practice location

6110 Harvey St
Muskegon, MI 49444-6720

Mailing address

PO Box 35005
Seattle, WA 98124-3405
Phone (425) 313-8100

Other names 1

  • Costco Optical #1744 Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Costco Pharmacy 3021,506 organizations share this tax ID, including this one
Part of
Costco Pharmacy 302

Organizations with this tax ID in the same state 23

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 23

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1756252800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1756252800000",
    "number": "1336028133",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35005",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981243405",
            "telephone_number": "425-313-8100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6110 HARVEY ST",
            "city": "MUSKEGON",
            "state": "MI",
            "postal_code": "494446720",
            "telephone_number": "425-313-8100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "COSTCO WHOLESALE CORPORATION",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "COSTCO WHOLESALE CORPORATION",
        "enumeration_date": "2025-08-27",
        "last_updated": "2025-08-27",
        "certification_date": "2025-08-27",
        "status": "A",
        "authorized_official_last_name": "SIEGLOCK",
        "authorized_official_first_name": "ERIN",
        "authorized_official_title_or_position": "AVP OPTICAL",
        "authorized_official_telephone_number": "425-313-8100",
        "authorized_official_name_suffix": "Sr."
    },
    "taxonomies": [
        {
            "code": "332H00000X",
            "taxonomy_group": "",
            "desc": "Eyewear Supplier",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Costco Optical #1744",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Muskegon, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.