MEDICARE: COSTCO WHOLESALE CORPORATION

Medicare Provider Information

Scope of Practice

The following information about the specialty of the provider is available:

#	Taxonomy Code	Taxonomy	License Number	License Number State
1	332H00000X	Eyewear Supplier

General Provider Information

NPI Number	:	1063803344
Entity Type Code	:	Organization
Provider Name (Legal Business Name)	:	COSTCO WHOLESALE CORPORATION

Provider Business Mailing Address
First Line	:	PO BOX 35005
Second Line	:
City	:	SEATTLE
State	:	WA
Zip	:	98124-3405
Country	:	US
Telephone Number	:	425-313-8100
Fax Number	:	425-313-6922

Provider Business Practice Location Address
First Line	:	345 CASCADE LOOP
Second Line	:
City	:	KALISPELL
State	:	MT
Zip	:	59901-9581
Country	:	US
Telephone Number	:	406-609-4924
Fax Number	:	406-758-2522

Authorized Official
Title or Position	:	AVP OPTICAL
Name	:	ERIN SIEGLOCK
Credential	:
Telephone Number	:	425-313-8087

Provider Enumeration Date	:	02/09/2015
Last Update Date	:	11/26/2025

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Directions to “COSTCO WHOLESALE CORPORATION ” Practice Location

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