U.S. Healthworks Medical Group of Washington, Ps
NPI 1851840128 · Urgent Care Clinic/Center · Seattle, WA
U.S. Healthworks Medical Group of Washington, Ps is a Urgent Care Clinic/Center organization in Seattle, WA (NPI 1851840128).
Provider details
- NPI number
- 1851840128
- Entity type
- Organization
- Primary specialty
- Urgent Care Clinic/CenterAmbulatory Health Care Facilities
- Parent organization
- U.S. Healthworks Medical Group of Washington, Ps
- Organization subpart
- Yes
- Authorized official
- Joseph Mallas, Secretary(661) 678-2600
Specialties & taxonomies
Ambulatory Health Care Facilities
- Occupational Medicine Physician2083X0100X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-09-28
- Last updated
- 2016-09-28
Frequently asked questions
- What is U.S. Healthworks Medical Group of Washington, Ps's NPI number?
- U.S. Healthworks Medical Group of Washington, Ps's National Provider Identifier (NPI) is 1851840128, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is U.S. Healthworks Medical Group of Washington, Ps?
- U.S. Healthworks Medical Group of Washington, Ps is classified in the NPPES registry as Urgent Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is U.S. Healthworks Medical Group of Washington, Ps located?
- U.S. Healthworks Medical Group of Washington, Ps's practice location on file with NPPES is 140 4th Ave N, Seattle, WA 98109-4940.
- What is U.S. Healthworks Medical Group of Washington, Ps's phone number?
- The practice phone number listed in the NPPES registry for U.S. Healthworks Medical Group of Washington, Ps is (206) 682-7418.
- Who is the authorized official for U.S. Healthworks Medical Group of Washington, Ps?
- The authorized official listed on U.S. Healthworks Medical Group of Washington, Ps's NPPES record is Joseph Mallas, Secretary. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is U.S. Healthworks Medical Group of Washington, Ps's NPI active?
- Yes — U.S. Healthworks Medical Group of Washington, Ps's NPI (1851840128) is active in the NPPES registry as of the last update on 2016-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.