South Sound Oncology Services, P.C.
NPI 1376938506 · Hematology & Oncology Physician · Renton, WA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
South Sound Oncology Services, P.C. is a Hematology & Oncology Physician organization in Renton, WA (NPI 1376938506).
Provider details
- NPI number
- 1376938506
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Naixi Chen, President(206) 588-1722
- License
- MD00040607 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2015-04-04
- Last updated
- 2020-12-22
- Certified
- 2020-12-22
Frequently asked questions
- What is South Sound Oncology Services, P.C.'s NPI number?
- South Sound Oncology Services, P.C.'s National Provider Identifier (NPI) is 1376938506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is South Sound Oncology Services, P.C.?
- South Sound Oncology Services, P.C. is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is South Sound Oncology Services, P.C. located?
- South Sound Oncology Services, P.C.'s practice location on file with NPPES is 1412 Sw 43rd St Ste 200, Renton, WA 98057-4803.
- What is South Sound Oncology Services, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for South Sound Oncology Services, P.C. is (206) 588-1722.
- Does South Sound Oncology Services, P.C. accept Medicare?
- South Sound Oncology Services, 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 South Sound Oncology Services, P.C.?
- The authorized official listed on South Sound Oncology Services, P.C.'s NPPES record is Naixi Chen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is South Sound Oncology Services, P.C.'s NPI active?
- Yes — South Sound Oncology Services, P.C.'s NPI (1376938506) is active in the NPPES registry as of the last update on 2020-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.