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GUARDIAN PHARMACY OF WASHINGTON, LLC
NPI 1790653798
Pharmacy - Long Term Care Pharmacy in Mountlake Terrace, WA

Active since October 29, 2025
22316 70TH AVE W STE E, MOUNTLAKE TERRACE, WA 98043(425) 673-5200(425) 673-5230 Get Directions Write a Review

NPPES record last updated: January 30, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Guardian Pharmacy Of Washington, Llc NPPES

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

GUARDIAN PHARMACY OF WASHINGTON, LLC (NPI 1790653798), doing business as Mercury Pharmacy Services, is a healthcare organization registered as a long term care pharmacy in Mountlake Terrace, Washington and active in the NPI registry since October 2025. The organization lists Stephen Boulanger, President, as its authorized official.

NPPES Registry Identity

NPI1790653798
Entity TypeOrganization
Primary Taxonomy3336L0003X
Legal Business NameGUARDIAN PHARMACY OF WASHINGTON, LLC
Location Address22316 70TH AVE W STE EMountlake Terrace, WA 98043-2184
Mailing Address22316 70th Ave W Ste EMountlake Terrace, WA 98043-2184 · (425) 673-5200 · Fax (425) 673-5230
Phone(425) 673-5200
Fax(425) 673-5230
Organization SubpartNo
Authorized OfficialStephen BoulangerPresident · (425) 673-5200
Enumeration DateOctober 29, 2025
Last NPPES UpdateJanuary 30, 2026
NPPES CertifiedJanuary 30, 2026
✔ NPI 1790653798 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyPharmacy · Long Term Care PharmacySuppliers
Taxonomy Code3336L0003X
Definition
A pharmacy that dispenses medicinal preparations delivered to patients residing within an intermediate or skilled nursing facility, including intermediate care facilities, hospice, assisted living facilities, group homes, and other forms of congregate living arrangements.
Also ListedDurable Medical Equipment & Medical SuppliesTaxonomy 332B00000X
Also ListedPharmacyTaxonomy 333600000X
Also ListedPharmacy · Community/Retail PharmacyTaxonomy 3336C0003X
Also ListedPharmacy · Compounding PharmacyTaxonomy 3336C0004X
22316 70TH AVE W STE E, Mountlake Terrace, WA 98043
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Other Names 1

Doing Business AsMercury Pharmacy Services

Other Providers at the Same Location NPPES

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

MERCURY PHARMACY SERVICES INC
Pharmacy (Long Term Care Pharmacy)
22316 70TH AVE W STE E
MOUNTLAKE TERRACE, WA 98043
Snohomish County (425) 673-5200

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 Guardian Pharmacy Of Washington, LLC's NPI number?

The NPI number for Guardian Pharmacy Of Washington, LLC is 1790653798. It was assigned to this organization in the NPPES registry on October 29, 2025. The provider is doing business as Mercury Pharmacy Services.

Where is Guardian Pharmacy Of Washington, LLC located?

Guardian Pharmacy Of Washington, LLC is located at 22316 70th Ave W Ste E, Mountlake Terrace, WA 98043. The listed phone number is (425) 673-5200.

What is Guardian Pharmacy Of Washington, LLC's specialty?

The primary specialty registered for this NPI is Pharmacy, specializing in Long Term Care Pharmacy, with taxonomy code 3336L0003X.

When was this NPI record last updated?

The NPPES record for Guardian Pharmacy Of Washington, LLC was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.