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U.S. HEALTHWORKS MEDICAL GROUP OF WASHINGTON, PS
NPI 1851840128
Clinic/Center - Urgent Care in Seattle, WA

Active since September 28, 2016
140 4TH AVE N, SUITE 150, SEATTLE, WA 98109(206) 682-7418(206) 623-0884 Get Directions Write a Review

NPPES record last updated: September 28, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About U.s. Healthworks Medical Group Of Washington, Ps NPPES

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

U.S. HEALTHWORKS MEDICAL GROUP OF WASHINGTON, PS (NPI 1851840128) is a healthcare organization registered as an urgent care in Seattle, Washington and active in the NPI registry since September 2016. The organization lists Joseph T Mallas, Secretary, as its authorized official.

NPPES Registry Identity

NPI1851840128
Entity TypeOrganization
Primary Taxonomy261QU0200X
Legal Business NameU.S. HEALTHWORKS MEDICAL GROUP OF WASHINGTON, PS
Location Address140 4TH AVE N, SUITE 150Seattle, WA 98109-4940
Mailing Address25124 Springfield Ct, Suite 200Valencia, CA 91355-1085 · (661) 678-2600
Phone(206) 682-7418
Fax(206) 623-0884
Organization SubpartYes
Authorized OfficialJoseph T MallasSecretary · (661) 678-2600
Enumeration DateSeptember 28, 2016
✔ NPI 1851840128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Urgent CareAmbulatory Health Care Facilities
Taxonomy Code261QU0200X
Also ListedPreventive Medicine · Occupational MedicineTaxonomy 2083X0100X
140 4TH AVE N, Seattle, WA 98109
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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.

SILVERDALE ORTHOPEDICS LLC
Orthopaedic Surgery
140 4TH AVE N, STE 170
SEATTLE, WA 98109
King County (206) 404-9700
JENNIFER J JAMES, MD PS
Physical Medicine & Rehabilitation
140 4TH AVE N, SUITE 170
SEATTLE, WA 98109
King County (206) 404-9700

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 U.S. Healthworks Medical Group Of Washington, Ps's NPI number?

The NPI number for U.S. Healthworks Medical Group Of Washington, Ps is 1851840128. It was assigned to this organization in the NPPES registry on September 28, 2016.

Where is U.S. Healthworks Medical Group Of Washington, Ps located?

U.S. Healthworks Medical Group Of Washington, Ps is located at 140 4th Ave N Suite 150, Seattle, WA 98109. The listed phone number is (206) 682-7418.

What is U.S. Healthworks Medical Group Of Washington, Ps's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Urgent Care, with taxonomy code 261QU0200X.

When was this NPI record last updated?

The NPPES record for U.S. Healthworks Medical Group Of Washington, Ps was last updated on September 28, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.