Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Guardian Pharmacy of Washington, LLC

Organization Durable Medical Equipment & Medical Supplies · NPI 1790653798

Guardian Pharmacy of Washington, LLC is a Durable Medical Equipment & Medical Supplies in Mountlake Terrace, Washington. Registered with an NPI since 2025.

In the registry since
2025
Specialties on file
5
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

22316 70th Ave W Ste E
Mountlake Terrace, WA 98043-2184
Phone: (425) 673-5200
Fax: (425) 673-5230
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Long Term Care Pharmacy (primary) Taxonomy 3336L0003X
Durable Medical Equipment & Medical Supplies Taxonomy 332B00000X
Pharmacy Taxonomy 333600000X
Community/Retail Pharmacy Taxonomy 3336C0003X
Compounding Pharmacy Taxonomy 3336C0004X

Record details

NPI number1790653798
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Stephen Boulanger — President · (425) 673-5200
Other names Mercury Pharmacy Services
NPI enumeratedOctober 29, 2025
Last updated in NPPESJanuary 30, 2026
Certification dateJanuary 30, 2026
Mailing address22316 70th Ave W Ste E, Mountlake Terrace, WA 98043-2184

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