Scott Knowles, MD PHD
NPI 1932581212 · Hematology & Oncology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Scott Knowles, MD PHD is a Hematology & Oncology Physician provider in Seattle, WA (NPI 1932581212).
Provider details
- NPI number
- 1932581212
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- Sole proprietor
- No
- License
- MD60856103 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2015-06-23
- Last updated
- 2022-06-21
- Certified
- 2022-06-21
Frequently asked questions
- What is Scott Knowles's NPI number?
- Scott Knowles's National Provider Identifier (NPI) is 1932581212, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Scott Knowles's specialty?
- Scott Knowles is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Scott Knowles located?
- Scott Knowles's practice location on file with NPPES is 325 9th Ave, Seattle, WA 98104-2420.
- What is Scott Knowles's phone number?
- The practice phone number listed in the NPPES registry for Scott Knowles is (206) 520-5000.
- Does Scott Knowles accept Medicare?
- Scott Knowles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Scott Knowles's NPI active?
- Yes — Scott Knowles's NPI (1932581212) is active in the NPPES registry as of the last update on 2022-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.