600 Stewart Medical Group, P.C.
NPI 1487317954 · Primary Care Clinic/Center · Seattle, WA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
600 Stewart Medical Group, P.C. is a Primary Care Clinic/Center organization in Seattle, WA (NPI 1487317954).
Provider details
- NPI number
- 1487317954
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Maria Wise, Authorized Official(206) 690-5962
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Other names (DBA / former)
- Other name
- Kinwell Medical Group
- Other name
- Kinwell Medical Group
Additional practice locations (1)
- 201 Valley Mall Pkwy # 3East Wenatchee, WA 98802-5309Phone: (425) 381-8534
Registry dates
- Enumerated
- 2021-10-20
- Last updated
- 2024-11-08
- Certified
- 2024-11-08
Frequently asked questions
- What is 600 Stewart Medical Group, P.C.'s NPI number?
- 600 Stewart Medical Group, P.C.'s National Provider Identifier (NPI) is 1487317954, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is 600 Stewart Medical Group, P.C.?
- 600 Stewart Medical Group, P.C. is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is 600 Stewart Medical Group, P.C. located?
- 600 Stewart Medical Group, P.C.'s practice location on file with NPPES is 224 Westlake Ave N Ste 100, Seattle, WA 98109-5260.
- What is 600 Stewart Medical Group, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for 600 Stewart Medical Group, P.C. is (206) 690-5962.
- Does 600 Stewart Medical Group, P.C. accept Medicare?
- 600 Stewart Medical Group, P.C. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for 600 Stewart Medical Group, P.C.?
- The authorized official listed on 600 Stewart Medical Group, P.C.'s NPPES record is Maria Wise, Authorized Official. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is 600 Stewart Medical Group, P.C.'s NPI active?
- Yes — 600 Stewart Medical Group, P.C.'s NPI (1487317954) is active in the NPPES registry as of the last update on 2024-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.