Sydney Miller
NPI 1275055428 · Clinical Social Worker · Seattle, WA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sydney Miller is a Clinical Social Worker provider in Seattle, WA (NPI 1275055428).
Provider details
- NPI number
- 1275055428
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- SC60756770 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2017-07-10
- Last updated
- 2022-07-21
Frequently asked questions
- What is Sydney Miller's NPI number?
- Sydney Miller's National Provider Identifier (NPI) is 1275055428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Miller's specialty?
- Sydney Miller is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sydney Miller located?
- Sydney Miller's practice location on file with NPPES is 1600 E Olive St, Seattle, WA 98122-2735.
- What is Sydney Miller's phone number?
- The practice phone number listed in the NPPES registry for Sydney Miller is (206) 302-2200.
- Does Sydney Miller accept Medicare?
- Sydney Miller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sydney Miller's NPI active?
- Yes — Sydney Miller's NPI (1275055428) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.