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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

COSTCO WHOLESALE CORPORATION
NPI 1144158213
Pharmacy - Community/Retail Pharmacy in Oconomowoc, WI

Active since May 11, 2026
1855 KIRKLAND WAY, OCONOMOWOC, WI 53066(262) 266-2237(262) 254-4039 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 24, 2026, Jul 10, 2026, Jun 1, 2026 and 1 more (4 updates tracked since 2026).

About Costco Wholesale Corporation NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

COSTCO WHOLESALE CORPORATION (NPI 1144158213), doing business as Costco Pharmacy #1803, is a healthcare organization registered as a community/retail pharmacy in Oconomowoc, Wisconsin and active in the NPI registry since May 2026. The organization lists Richard Stephens, Svp Pharmacy, as its authorized official.

NPPES Registry Identity

NPI1144158213
Entity TypeOrganization
Primary Taxonomy3336C0003X
Legal Business NameCOSTCO WHOLESALE CORPORATION
Location Address1855 KIRKLAND WAYOconomowoc, WI 53066-1572
Mailing AddressPo Box 34300Seattle, WA 98124-1300 · (425) 416-2660 · Fax (425) 313-6595
Phone(262) 266-2237
Fax(262) 254-4039
Organization SubpartNo
Authorized OfficialRichard StephensSvp Pharmacy · (425) 313-8259
Enumeration DateMay 11, 2026
Last NPPES UpdateJuly 24, 20264 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
✔ NPI 1144158213 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacy · Community/Retail PharmacySuppliers
Taxonomy Code3336C0003X
Definition
A pharmacy where pharmacists store, prepare, and dispense medicinal preparations and/or prescriptions for a local patient population in accordance with federal and state law; counsel patients and caregivers (sometimes independent of the dispensing process); administer vaccinations; and provide other professional services associated with pharmaceutical care such as health screenings, consultative services with other health care providers, collaborative practice, disease state management, and education classes.
1855 KIRKLAND WAY, Oconomowoc, WI 53066
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Other Names 1

Doing Business AsCostco Pharmacy #1803

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

COSTCO WHOLESALE CORPORATION
Hearing Aid Equipment
1855 KIRKLAND WAY
OCONOMOWOC, WI 53066
Waukesha County (425) 313-8100
COSTCO WHOLESALE CORPORATION
Eyewear Supplier
1855 KIRKLAND WAY
OCONOMOWOC, WI 53066
Waukesha County (425) 313-8100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Costco Wholesale Corporation's NPI number?

The NPI number for Costco Wholesale Corporation is 1144158213. It was assigned to this organization in the NPPES registry on May 11, 2026. The provider is doing business as Costco Pharmacy #1803.

Where is Costco Wholesale Corporation located?

Costco Wholesale Corporation is located at 1855 Kirkland Way, Oconomowoc, WI 53066. The listed phone number is (262) 266-2237.

What is Costco Wholesale Corporation's specialty?

The primary specialty registered for this NPI is Pharmacy, specializing in Community/Retail Pharmacy, with taxonomy code 3336C0003X.

When was this NPI record last updated?

The NPPES record for Costco Wholesale Corporation was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.