Active NPI
Costco Wholesale Corporation
Doing business as Costco Optical #1808
- Eyewear Supplier
- Franklin, WI
National Provider Identifier
1740191485
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Eyewear Supplier
- Legal business name
- COSTCO WHOLESALE CORPORATION
- Doing business as
- Costco Optical #1808
- Practice address
- 7829 S 27TH St
Franklin, WI 53132 - Phone
- (425) 313-8100
- NPI assigned
- Sep 14, 2026
- Last updated
- Sep 15, 2026
- Organization subpart
- Yes
- Parent organization
- COSTCO WHOLESALE CORPORATION
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Erin Sieglock
- Title
- Avp Optical
- Phone
- (425) 313-8087
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Eyewear Supplier | 332H00000X | NU | Primary |
Addresses
Primary practice location
7829 S 27TH St
Franklin, WI 53132
Mailing address
PO Box 35005
Seattle, WA 98124-3405
Phone (425) 313-8100
Other names 1
- Costco Optical #1808
National Provider Directory
National Provider Directory- Tax ID family
- Costco Wholesale Corpor
Organizations with this tax ID in the same state 19
This tax ID family is large, so up to 24 of its organizations in the same state are linked here.
-
dba Costco Pharmacy #1198
- Community/Retail Pharmacy
- Pleasant Prairie, WI
- NPI 1477946705
-
dba Costco Optical #1209
- Eyewear Supplier
- Menomonee Falls, WI
- NPI 1508243122
-
dba Costco Pharmacy #1212
- Community/Retail Pharmacy
- New Berlin, WI
- NPI 1558748160
-
dba Costco Optical #1121
- Eyewear Supplier
- Sun Prairie, WI
- NPI 1568853604
-
dba Costco Optical #1198
- Eyewear Supplier
- Pleasant Prairie, WI
- NPI 1598151540
-
dba Costco Pharmacy #1710
- Specialty Pharmacy
- Madison, WI
- NPI 1619735636
-
dba Costco Pharmacy #1808
- Community/Retail Pharmacy
- Franklin, WI
- NPI 1639087265
-
dba Costco Optical #1222
- Eyewear Supplier
- Grand Chute, WI
- NPI 1699159798
-
dba Costco Hearing Aid #1664
- Hearing Aid Equipment
- Eau Claire, WI
- NPI 1700666443
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1789344000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1789430400000",
"number": "1740191485",
"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": "7829 S 27TH ST",
"city": "FRANKLIN",
"state": "WI",
"postal_code": "53132",
"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": "2026-09-14",
"last_updated": "2026-09-15",
"certification_date": "2026-09-14",
"status": "A",
"authorized_official_last_name": "SIEGLOCK",
"authorized_official_first_name": "ERIN",
"authorized_official_title_or_position": "AVP OPTICAL",
"authorized_official_telephone_number": "425-313-8087"
},
"taxonomies": [
{
"code": "332H00000X",
"taxonomy_group": "",
"desc": "Eyewear Supplier",
"state": "NU",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "Costco Optical #1808",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Franklin, WI
- Kelsey Elizabeth Contreras
- Debra A. Corbett, P.A.
- Corencia Diann & Associates
- Costco Wholesale Corporation (Costco Hearing Aid #1808)
- Costco Wholesale Corporation (Costco Pharmacy #1808)
- Keena Shane Crawford, LPC
- Constance Crockett
- Kimberly Anne Cronsell, M.D.
- Matthew Lawrence Crowley
- Francis J Cuevas, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.